[PATCH 13/79] MdeModulePkg/Bus/Ata: Fix various typos

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

From: Antoine Coeur <coeur@gmx.fr>

Fix various typos in documentation, comments and debug strings.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daude <philmd@redhat.com>
---
 MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.inf             |  2 +-
 MdeModulePkg/Bus/Ata/AhciPei/AhciPei.h                   |  4 ++--
 MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.h         |  4 ++--
 MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h |  4 ++--
 MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.h          |  2 +-
 MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h                  | 12 ++++++------
 MdeModulePkg/Bus/Ata/AhciPei/AhciMode.c                  |  8 ++++----
 MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c         | 14 +++++++-------
 MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c |  8 ++++----
 MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.c          | 16 ++++++++--------
 MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c                  | 10 +++++-----
 MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c      |  4 ++--
 MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.uni             |  2 +-
 13 files changed, 45 insertions(+), 45 deletions(-)

diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.inf b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.inf
index c3ab5c18f148..086ec5f7c6d3 100644
--- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.inf
+++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.inf
@@ -1,5 +1,5 @@
 ## @file
-#  ATA Bus driver to enumerate and identfy ATA devices.
+#  ATA Bus driver to enumerate and identify ATA devices.
 #
 #  This driver follows UEFI driver model and layers on ATA Pass Thru protocol defined
 #  in UEFI spec 2.2. It installs Block IO and Disk Info protocol for each ATA device
diff --git a/MdeModulePkg/Bus/Ata/AhciPei/AhciPei.h b/MdeModulePkg/Bus/Ata/AhciPei/AhciPei.h
index 9a34dc6e4f15..2be78076bee7 100644
--- a/MdeModulePkg/Bus/Ata/AhciPei/AhciPei.h
+++ b/MdeModulePkg/Bus/Ata/AhciPei/AhciPei.h
@@ -161,7 +161,7 @@ typedef struct {
   UINT8     AhciD2HRegisterFis[0x14];      // D2H Register Fis: offset 0x40
   UINT8     AhciD2HRegisterFisRsvd[0x04];
   UINT64    AhciSetDeviceBitsFis;          // Set Device Bits Fix: offset 0x58
-  UINT8     AhciUnknownFis[0x40];          // Unkonwn Fis: offset 0x60
+  UINT8     AhciUnknownFis[0x40];          // Unknown Fis: offset 0x60
   UINT8     AhciUnknownFisRsvd[0x60];
 } EFI_AHCI_RECEIVED_FIS;
 
@@ -239,7 +239,7 @@ typedef struct {
 } EFI_AHCI_COMMAND_PRDT;
 
 //
-// Command table Data strucute which is pointed to by the entry in the command list
+// Command table Data structure which is pointed to by the entry in the command list
 //
 typedef struct {
   EFI_AHCI_COMMAND_FIS      CommandFis;       // A software constructed FIS.
diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.h b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.h
index 66d5da0b714c..786413930ae9 100644
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.h
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.h
@@ -263,7 +263,7 @@ typedef struct {
 } EFI_AHCI_COMMAND_PRDT;
 
 //
-// Command table data strucute which is pointed to by the entry in the command list
+// Command table data structure which is pointed to by the entry in the command list
 //
 typedef struct {
   EFI_AHCI_COMMAND_FIS      CommandFis;       // A software constructed FIS.
@@ -283,7 +283,7 @@ typedef struct {
   UINT8    AhciD2HRegisterFis[0x14];      // D2H Register Fis: offset 0x40
   UINT8    AhciD2HRegisterFisRsvd[0x04];
   UINT64   AhciSetDeviceBitsFis;          // Set Device Bits Fix: offset 0x58
-  UINT8    AhciUnknownFis[0x40];          // Unkonwn Fis: offset 0x60
+  UINT8    AhciUnknownFis[0x40];          // Unknown Fis: offset 0x60
   UINT8    AhciUnknownFisRsvd[0x60];
 } EFI_AHCI_RECEIVED_FIS;
 
diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h
index de9e1ee98f19..5f582b9b3e76 100644
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h
@@ -384,7 +384,7 @@ AtaAtapiPassThruSupported (
   @retval EFI_SUCCESS              The device was started.
   @retval EFI_DEVICE_ERROR         The device could not be started due to a device error.Currently not implemented.
   @retval EFI_OUT_OF_RESOURCES     The request could not be completed due to a lack of resources.
-  @retval Others                   The driver failded to start the device.
+  @retval Others                   The driver failed to start the device.
 
 **/
 EFI_STATUS
@@ -521,7 +521,7 @@ EnumerateAttachedDevice (
   );
 
 /**
-  Call back funtion when the timer event is signaled.
+  Call back function when the timer event is signaled.
 
   @param[in]  Event     The Event this notify function registered to.
   @param[in]  Context   Pointer to the context data registered to the
diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.h b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.h
index 39273c5b02db..c39ebd06679d 100644
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.h
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.h
@@ -158,7 +158,7 @@ typedef struct {
 
   @retval EFI_UNSUPPORTED        Return this value when the BARs is not IO type
   @retval EFI_SUCCESS            Get the Base address successfully
-  @retval Other                  Read the pci configureation data error
+  @retval Other                  Read the pci configuration data error
 
 **/
 EFI_STATUS
diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h
index 54c0f3d30fc2..a5a865209942 100644
--- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h
+++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h
@@ -408,7 +408,7 @@ AtaBusDriverBindingSupported (
   @retval EFI_SUCCESS              The device was started.
   @retval EFI_DEVICE_ERROR         The device could not be started due to a device error.Currently not implemented.
   @retval EFI_OUT_OF_RESOURCES     The request could not be completed due to a lack of resources.
-  @retval Others                   The driver failded to start the device.
+  @retval Others                   The driver failed to start the device.
 
 **/
 EFI_STATUS
@@ -614,7 +614,7 @@ AtaBlockIoReset (
   @retval EFI_SUCCESS           The data was read correctly from the device.
   @retval EFI_DEVICE_ERROR      The device reported an error while performing the read.
   @retval EFI_NO_MEDIA          There is no media in the device.
-  @retval EFI_MEDIA_CHANGED     The MediaId does not matched the current device.
+  @retval EFI_MEDIA_CHANGED     The MediaId does not match the current device.
   @retval EFI_BAD_BUFFER_SIZE   The Buffer was not a multiple of the block size of the device.
   @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
                                 or the buffer is not on proper alignment.
@@ -645,7 +645,7 @@ AtaBlockIoReadBlocks (
   @retval EFI_WRITE_PROTECTED   The device can not be written to.
   @retval EFI_DEVICE_ERROR      The device reported an error while performing the write.
   @retval EFI_NO_MEDIA          There is no media in the device.
-  @retval EFI_MEDIA_CHNAGED     The MediaId does not matched the current device.
+  @retval EFI_MEDIA_CHANGED     The MediaId does not match the current device.
   @retval EFI_BAD_BUFFER_SIZE   The Buffer was not a multiple of the block size of the device.
   @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
                                 or the buffer is not on proper alignment.
@@ -679,7 +679,7 @@ AtaBlockIoFlushBlocks (
   );
 
 /**
-  Reset the Block Device throught Block I/O2 protocol.
+  Reset the Block Device through Block I/O2 protocol.
 
   @param[in]  This                 Indicates a pointer to the calling context.
   @param[in]  ExtendedVerification Driver may perform diagnostics on reset.
@@ -749,7 +749,7 @@ AtaBlockIoReadBlocksEx (
   @retval EFI_WRITE_PROTECTED   The device can not be written to.
   @retval EFI_DEVICE_ERROR      The device reported an error while performing the write.
   @retval EFI_NO_MEDIA          There is no media in the device.
-  @retval EFI_MEDIA_CHNAGED     The MediaId does not matched the current device.
+  @retval EFI_MEDIA_CHANGED     The MediaId does not match the current device.
   @retval EFI_BAD_BUFFER_SIZE   The Buffer was not a multiple of the block size of the device.
   @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
                                 or the buffer is not on proper alignment.
@@ -1061,7 +1061,7 @@ AtaStorageSecuritySendData (
   Typically, there are 2 mechanism for resetting eDrive. They are:
   1. TPer Reset through IEEE 1667 protocol.
   2. TPer Reset through native TCG protocol.
-  This routine will detect what protocol the attached eDrive comform to, TCG or
+  This routine will detect what protocol the attached eDrive conform to, TCG or
   IEEE 1667 protocol. Then send out TPer Reset command separately.
 
   @param[in] AtaDevice    ATA_DEVICE pointer.
diff --git a/MdeModulePkg/Bus/Ata/AhciPei/AhciMode.c b/MdeModulePkg/Bus/Ata/AhciPei/AhciMode.c
index 8c491bd13865..7636ad27c86c 100644
--- a/MdeModulePkg/Bus/Ata/AhciPei/AhciMode.c
+++ b/MdeModulePkg/Bus/Ata/AhciPei/AhciMode.c
@@ -266,7 +266,7 @@ AhciWaitMemSet (
 
   do {
     //
-    // Access sytem memory to see if the value is the tested one.
+    // Access system memory to see if the value is the tested one.
     //
     // The system memory pointed by Address will be updated by the
     // SATA Host Controller, "volatile" is introduced to prevent
@@ -520,7 +520,7 @@ AhciBuildCommand (
 }
 
 /**
-  Buid a command FIS.
+  Build a command FIS.
 
   @param[in,out] CmdFis             A pointer to the EFI_AHCI_COMMAND_FIS data
                                     structure.
@@ -801,7 +801,7 @@ AhciPioTransfer (
   AhciWriteReg (AhciBar, Offset, Data64.Uint32.Upper32);
 
   //
-  // Single task envrionment, we only use one command table for all port
+  // Single task environment, we only use one command table for all port
   //
   Offset = AHCI_PORT_START + Port * AHCI_PORT_REG_WIDTH + AHCI_PORT_CLB;
   OldCmdListLo  = AhciReadReg (AhciBar, Offset);
@@ -1843,7 +1843,7 @@ AhciModeInitialization (
       if (EFI_ERROR (Status)) {
         DEBUG ((
           DEBUG_ERROR,
-          "%a: Error occured when waiting for the first D2H register FIS - %r\n",
+          "%a: Error occurred when waiting for the first D2H register FIS - %r\n",
           __FUNCTION__, Status
           ));
         continue;
diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
index 00aa7e686c34..79d051761d6a 100644
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
@@ -219,7 +219,7 @@ AhciWaitMemSet (
 
   do {
     //
-    // Access sytem memory to see if the value is the tested one.
+    // Access system memory to see if the value is the tested one.
     //
     // The system memory pointed by Address will be updated by the
     // SATA Host Controller, "volatile" is introduced to prevent
@@ -581,7 +581,7 @@ AhciBuildCommand (
 }
 
 /**
-  Buid a command FIS.
+  Build a command FIS.
 
   @param  CmdFis            A pointer to the EFI_AHCI_COMMAND_FIS data structure.
   @param  AtaCommandBlock   A pointer to the AhciBuildCommandFis data structure.
@@ -997,7 +997,7 @@ AhciDmaTransfer (
   }
 
   //
-  // Wait for command compelte
+  // Wait for command complete
   //
   FisBaseAddr = (UINTN)AhciRegisters->AhciRFis + Port * sizeof (EFI_AHCI_RECEIVED_FIS);
   Offset      = FisBaseAddr + EFI_AHCI_D2H_FIS_OFFSET;
@@ -1903,7 +1903,7 @@ AhciCreateTransferDescriptor (
 
   PortImplementBitMap  = AhciReadReg(PciIo, EFI_AHCI_PI_OFFSET);
   //
-  // Get the highest bit of implemented ports which decides how many bytes are allocated for recived FIS.
+  // Get the highest bit of implemented ports which decides how many bytes are allocated for received FIS.
   //
   MaxPortNumber        = (UINT8)(UINTN)(HighBitSet32(PortImplementBitMap) + 1);
   if (MaxPortNumber == 0) {
@@ -1958,7 +1958,7 @@ AhciCreateTransferDescriptor (
 
   //
   // Allocate memory for command list
-  // Note that the implemenation is a single task model which only use a command list for all ports.
+  // Note that the implementation is a single task model which only use a command list for all ports.
   //
   Buffer = NULL;
   MaxCommandListSize = MaxCommandSlotNumber * sizeof (EFI_AHCI_COMMAND_LIST);
@@ -2713,7 +2713,7 @@ AhciModeInitialization (
       } else {
         continue;
       }
-      DEBUG ((EFI_D_INFO, "port [%d] port mulitplier [%d] has a [%a]\n",
+      DEBUG ((EFI_D_INFO, "port [%d] port multitplier [%d] has a [%a]\n",
               Port, 0, DeviceType == EfiIdeCdrom ? "cdrom" : "harddisk"));
 
       //
@@ -2761,7 +2761,7 @@ AhciModeInitialization (
       TransferMode.ModeNumber = (UINT8) (SupportedModes->PioMode.Mode);
 
       //
-      // Set supported DMA mode on this IDE device. Note that UDMA & MDMA cann't
+      // Set supported DMA mode on this IDE device. Note that UDMA & MDMA can't
       // be set together. Only one DMA mode can be set to a device. If setting
       // DMA mode operation fails, we can continue moving on because we only use
       // PIO mode at boot time. DMA modes are used by certain kind of OS booting
diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
index e5b8f40d03b3..86fe9d954fdb 100644
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
@@ -1,5 +1,5 @@
 /** @file
-  This file implements ATA_PASSTHRU_PROCTOCOL and EXT_SCSI_PASSTHRU_PROTOCOL interfaces
+  This file implements ATA_PASSTHRU_PROTOCOL and EXT_SCSI_PASSTHRU_PROTOCOL interfaces
   for managed ATA controllers.
 
   Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
@@ -404,7 +404,7 @@ AsyncNonBlockingTransferRoutine (
   Instance   = (ATA_ATAPI_PASS_THRU_INSTANCE *) Context;
   EntryHeader = &Instance->NonBlockingTaskList;
   //
-  // Get the Taks from the Taks List and execute it, until there is
+  // Get the Tasks from the Tasks List and execute it, until there is
   // no task in the list or the device is busy with task (EFI_NOT_READY).
   //
   while (TRUE) {
@@ -538,7 +538,7 @@ AtaAtapiPassThruSupported (
   EFI_IDE_CONTROLLER_INIT_PROTOCOL  *IdeControllerInit;
 
   //
-  // SATA Controller is a device driver, and should ingore the
+  // SATA Controller is a device driver, and should ignore the
   // "RemainingDevicePath" according to UEFI spec
   //
   Status = gBS->OpenProtocol (
@@ -659,7 +659,7 @@ AtaAtapiPassThruSupported (
   @retval EFI_SUCCESS              The device was started.
   @retval EFI_DEVICE_ERROR         The device could not be started due to a device error.Currently not implemented.
   @retval EFI_OUT_OF_RESOURCES     The request could not be completed due to a lack of resources.
-  @retval Others                   The driver failded to start the device.
+  @retval Others                   The driver failed to start the device.
 
 **/
 EFI_STATUS
diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.c b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.c
index ac055f00422f..d284cc600b6a 100644
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.c
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/IdeMode.c
@@ -46,7 +46,7 @@ IdeReadPortB (
   write a 1-byte data to a specific IDE port.
 
   @param  PciIo  A pointer to EFI_PCI_IO_PROTOCOL data structure
-  @param  Port   The IDE port to be writen
+  @param  Port   The IDE port to be written
   @param  Data   The data to write to the port
 **/
 VOID
@@ -76,7 +76,7 @@ IdeWritePortB (
   write a 1-word data to a specific IDE port.
 
   @param  PciIo  A pointer to EFI_PCI_IO_PROTOCOL data structure
-  @param  Port   The IDE port to be writen
+  @param  Port   The IDE port to be written
   @param  Data   The data to write to the port
 **/
 VOID
@@ -106,7 +106,7 @@ IdeWritePortW (
   write a 2-word data to a specific IDE port.
 
   @param  PciIo  A pointer to EFI_PCI_IO_PROTOCOL data structure
-  @param  Port   The IDE port to be writen
+  @param  Port   The IDE port to be written
   @param  Data   The data to write to the port
 **/
 VOID
@@ -718,12 +718,12 @@ WaitForBSYClear (
   Table 2. BARs for Register Mapping
 
   @param[in]      PciIo          Pointer to the EFI_PCI_IO_PROTOCOL instance
-  @param[in, out] IdeRegisters    Pointer to EFI_IDE_REGISTERS which is used to
+  @param[in, out] IdeRegisters   Pointer to EFI_IDE_REGISTERS which is used to
                                  store the IDE i/o port registers' base addresses
 
   @retval EFI_UNSUPPORTED        Return this value when the BARs is not IO type
   @retval EFI_SUCCESS            Get the Base address successfully
-  @retval Other                  Read the pci configureation data error
+  @retval Other                  Read the pci configuration data error
 
 **/
 EFI_STATUS
@@ -983,7 +983,7 @@ AtaPioDataInOut (
   Increment = 256;
 
   //
-  // used to record bytes of currently transfered data
+  // used to record bytes of currently transferred data
   //
   WordCount = 0;
 
@@ -1688,7 +1688,7 @@ AtaPacketReadWrite (
   RequiredWordCount = *ByteCount >> 1;
 
   //
-  // No data transfer is premitted.
+  // No data transfer is permitted.
   //
   if (RequiredWordCount == 0) {
     return EFI_SUCCESS;
@@ -2509,7 +2509,7 @@ DetectAndConfigIdeDevice (
     }
 
     //
-    // Set supported DMA mode on this IDE device. Note that UDMA & MDMA cann't
+    // Set supported DMA mode on this IDE device. Note that UDMA & MDMA can't
     // be set together. Only one DMA mode can be set to a device. If setting
     // DMA mode operation fails, we can continue moving on because we only use
     // PIO mode at boot time. DMA modes are used by certain kind of OS booting
diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c
index f93afab3bba7..28f8638c52fa 100644
--- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c
+++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c
@@ -703,7 +703,7 @@ AtaBusDriverBindingSupported (
   @retval EFI_SUCCESS              The device was started.
   @retval EFI_DEVICE_ERROR         The device could not be started due to a device error.Currently not implemented.
   @retval EFI_OUT_OF_RESOURCES     The request could not be completed due to a lack of resources.
-  @retval Others                   The driver failded to start the device.
+  @retval Others                   The driver failed to start the device.
 
 **/
 EFI_STATUS
@@ -1007,7 +1007,7 @@ AtaBlockIoReset (
   @retval EFI_WRITE_PROTECTED   The device can not be read/written to.
   @retval EFI_DEVICE_ERROR      The device reported an error while performing the read/write.
   @retval EFI_NO_MEDIA          There is no media in the device.
-  @retval EFI_MEDIA_CHNAGED     The MediaId does not matched the current device.
+  @retval EFI_MEDIA_CHANGED     The MediaId does not match the current device.
   @retval EFI_BAD_BUFFER_SIZE   The Buffer was not a multiple of the block size of the device.
   @retval EFI_INVALID_PARAMETER The read/write request contains LBAs that are not valid,
                                 or the buffer is not on proper alignment.
@@ -1101,7 +1101,7 @@ BlockIoReadWrite (
   @retval EFI_SUCCESS           The data was read correctly from the device.
   @retval EFI_DEVICE_ERROR      The device reported an error while performing the read.
   @retval EFI_NO_MEDIA          There is no media in the device.
-  @retval EFI_MEDIA_CHANGED     The MediaId does not matched the current device.
+  @retval EFI_MEDIA_CHANGED     The MediaId does not match the current device.
   @retval EFI_BAD_BUFFER_SIZE   The Buffer was not a multiple of the block size of the device.
   @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
                                 or the buffer is not on proper alignment.
@@ -1135,7 +1135,7 @@ AtaBlockIoReadBlocks (
   @retval EFI_WRITE_PROTECTED   The device can not be written to.
   @retval EFI_DEVICE_ERROR      The device reported an error while performing the write.
   @retval EFI_NO_MEDIA          There is no media in the device.
-  @retval EFI_MEDIA_CHNAGED     The MediaId does not matched the current device.
+  @retval EFI_MEDIA_CHANGED     The MediaId does not match the current device.
   @retval EFI_BAD_BUFFER_SIZE   The Buffer was not a multiple of the block size of the device.
   @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
                                 or the buffer is not on proper alignment.
@@ -1272,7 +1272,7 @@ AtaBlockIoReadBlocksEx (
   @retval EFI_WRITE_PROTECTED   The device can not be written to.
   @retval EFI_DEVICE_ERROR      The device reported an error while performing the write.
   @retval EFI_NO_MEDIA          There is no media in the device.
-  @retval EFI_MEDIA_CHNAGED     The MediaId does not matched the current device.
+  @retval EFI_MEDIA_CHANGED     The MediaId does not match the current device.
   @retval EFI_BAD_BUFFER_SIZE   The Buffer was not a multiple of the block size of the device.
   @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
                                 or the buffer is not on proper alignment.
diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c
index fd483cb9a465..79026a4a957d 100644
--- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c
+++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c
@@ -536,7 +536,7 @@ TransferAtaDevice (
   //
   // As AtaBus is used to manage ATA devices, we have to use the lowest transfer rate to
   // calculate the possible maximum timeout value for each read/write operation.
-  // The timout value is rounded up to nearest integar and here an additional 30s is added
+  // The timeout value is rounded up to nearest integer and here an additional 30s is added
   // to follow ATA spec in which it mentioned that the device may take up to 30s to respond
   // commands in the Standby/Idle mode.
   //
@@ -634,7 +634,7 @@ AtaTerminateNonBlockingTask (
 }
 
 /**
-  Call back funtion when the event is signaled.
+  Call back function when the event is signaled.
 
   @param[in]  Event     The Event this notify function registered to.
   @param[in]  Context   Pointer to the context data registered to the
diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.uni b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.uni
index 00bebce11c2c..ec4aab24d5f6 100644
--- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.uni
+++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.uni
@@ -1,5 +1,5 @@
 // /** @file
-// ATA Bus driver to enumerate and identfy ATA devices.
+// ATA Bus driver to enumerate and identify ATA devices.
 //
 // This driver follows UEFI driver model and layers on ATA Pass Thru protocol defined
 // in UEFI spec 2.2. It installs Block IO and Disk Info protocol for each ATA device
-- 
2.21.0