1 files changed, 7 insertions, 7 deletions
diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
index 3666ebc85e..c2762db038 100644
--- a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
@@ -352,7 +352,7 @@ KeyboardReadKeyStroke (
   Signal the event if there is key available
 
   @param Event    the event object
-  @param Context  waitting context
+  @param Context  waiting context
 
 **/
 VOID
@@ -411,7 +411,7 @@ KeyboardWaitForKeyEx (
 //
 
 /**
-  Reset the input device and optionaly run diagnostics
+  Reset the input device and optionally run diagnostics
 
   @param This                 - Protocol instance pointer.
   @param ExtendedVerification - Driver may perform diagnostics on reset.
@@ -430,7 +430,7 @@ KeyboardEfiResetEx (
 
 /**
     Reads the next keystroke from the input device. The WaitForKey Event can
-    be used to test for existance of a keystroke via WaitForEvent () call.
+    be used to test for existence of a keystroke via WaitForEvent () call.
 
 
     @param This       - Protocol instance pointer.
@@ -438,7 +438,7 @@ KeyboardEfiResetEx (
                  state data for the key that was pressed.
 
     @retval EFI_SUCCESS           - The keystroke information was returned.
-    @retval EFI_NOT_READY         - There was no keystroke data availiable.
+    @retval EFI_NOT_READY         - There was no keystroke data available.
     @retval EFI_DEVICE_ERROR      - The keystroke information was not returned due to
                             hardware errors.
     @retval EFI_INVALID_PARAMETER - KeyData is NULL.
@@ -486,7 +486,7 @@ KeyboardSetState (
     @param NotifyHandle            - Points to the unique handle assigned to the registered notification.
 
     @retval EFI_SUCCESS             - The notification function was registered successfully.
-    @retval EFI_OUT_OF_RESOURCES    - Unable to allocate resources for necesssary data structures.
+    @retval EFI_OUT_OF_RESOURCES    - Unable to allocate resources for necessary data structures.
     @retval EFI_INVALID_PARAMETER   - KeyData or NotifyHandle is NULL.
 
 **/
@@ -531,7 +531,7 @@ PushEfikeyBufTail (
   );
 
 /**
-  Judge whether is a registed key
+  Judge whether is a registered key
 
   @param RegsiteredData       A pointer to a buffer that is filled in with the keystroke
                               state data for the key that was registered.
@@ -539,7 +539,7 @@ PushEfikeyBufTail (
                               state data for the key that was pressed.
 
   @retval TRUE                Key be pressed matches a registered key.
-  @retval FLASE               Match failed.
+  @retval FALSE               Match failed.
 
 **/
 BOOLEAN