diff --git a/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c b/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c
index 383eec9c6b..e459ebc5eb 100644
--- a/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c
@@ -189,7 +189,7 @@ CheckApsStatus (
 /**
   Get Protected mode code segment from current GDT table.
 
-  @returen  Protected mode code segment value.
+  @return  Protected mode code segment value.
 **/
 UINT16
 GetProtectedModeCS (
diff --git a/UefiCpuPkg/Library/MpInitLib/Microcode.c b/UefiCpuPkg/Library/MpInitLib/Microcode.c
index 5bb0145c87..982995be7d 100644
--- a/UefiCpuPkg/Library/MpInitLib/Microcode.c
+++ b/UefiCpuPkg/Library/MpInitLib/Microcode.c
@@ -35,7 +35,7 @@ GetCurrentMicrocodeSignature (
 /**
   Detect whether specified processor can find matching microcode patch and load it.
 
-  @param[in] PeiCpuMpData        Pointer to PEI CPU MP Data
+  @param[in]  CpuMpData  The pointer to CPU MP Data structure.
 **/
 VOID
 MicrocodeDetect (
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.h b/UefiCpuPkg/Library/MpInitLib/MpLib.h
index 9b0366ed37..165853d2af 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.h
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.h
@@ -512,7 +512,7 @@ CheckAndUpdateApsStatus (
 /**
   Detect whether specified processor can find matching microcode patch and load it.
 
-  @param[in] PeiCpuMpData        Pointer to PEI CPU MP Data
+  @param[in]  CpuMpData  The pointer to CPU MP Data structure.
 **/
 VOID
 MicrocodeDetect (
diff --git a/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c b/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c
index dd0f1da475..590f963bd3 100644
--- a/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c
@@ -67,7 +67,7 @@ SaveCpuMpData (
 /**
   Get available system memory below 1MB by specified size.
 
-  @param[in] PeiCpuMpData        Pointer to PEI CPU MP Data
+  @param[in]  CpuMpData  The pointer to CPU MP Data structure.
 **/
 VOID
 BackupAndPrepareWakeupBuffer(
@@ -89,7 +89,7 @@ BackupAndPrepareWakeupBuffer(
 /**
   Restore wakeup buffer data.
 
-  @param[in] PeiCpuMpData        Pointer to PEI CPU MP Data
+  @param[in]  CpuMpData  The pointer to CPU MP Data structure.
 **/
 VOID
 RestoreWakeupBuffer(