diff --git a/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.S b/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.S
index 0d902d94d3..78db9b3d1e 100644
--- a/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.S
+++ b/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.S
@@ -33,7 +33,6 @@ GCC_ASM_EXPORT(InternalLongJump)
 #  value to be returned by SetJump().
 #
 #  If JumpBuffer is NULL, then ASSERT().
-#  For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
 #
 #  @param  JumpBuffer    A pointer to CPU context buffer.
 #
@@ -62,7 +61,7 @@ ASM_PFX(SetJump):
 #
 #  Restores the CPU context from the buffer specified by JumpBuffer.
 #  This function never returns to the caller.
-#  Instead is resumes execution based on the state of JumpBuffer.
+#  Instead it resumes execution based on the state of JumpBuffer.
 #
 #  @param  JumpBuffer    A pointer to CPU context buffer.
 #  @param  Value         The value to return when the SetJump() context is restored.
diff --git a/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.asm b/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.asm
index df70f29899..d8b267addc 100644
--- a/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.asm
+++ b/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.asm
@@ -32,7 +32,6 @@
 ;  value to be returned by SetJump().
 ;
 ;  If JumpBuffer is NULL, then ASSERT().
-;  For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
 ;
 ;  @param  JumpBuffer    A pointer to CPU context buffer.
 ;
@@ -60,7 +59,7 @@ SetJump
 ;
 ;  Restores the CPU context from the buffer specified by JumpBuffer.
 ;  This function never returns to the caller.
-;  Instead is resumes execution based on the state of JumpBuffer.
+;  Instead it resumes execution based on the state of JumpBuffer.
 ;
 ;  @param  JumpBuffer    A pointer to CPU context buffer.
 ;  @param  Value         The value to return when the SetJump() context is restored.
diff --git a/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.S b/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.S
index 82d94faf61..e4c1946a28 100644
--- a/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.S
+++ b/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.S
@@ -19,7 +19,6 @@ GCC_ASM_EXPORT(InternalLongJump)
 #  value to be returned by SetJump().
 #
 #  If JumpBuffer is NULL, then ASSERT().
-#  For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
 #
 #  @param  JumpBuffer    A pointer to CPU context buffer.
 #
@@ -42,7 +41,7 @@ ASM_PFX(SetJump):
 #
 #  Restores the CPU context from the buffer specified by JumpBuffer.
 #  This function never returns to the caller.
-#  Instead is resumes execution based on the state of JumpBuffer.
+#  Instead it resumes execution based on the state of JumpBuffer.
 #
 #  @param  JumpBuffer    A pointer to CPU context buffer.
 #  @param  Value         The value to return when the SetJump() context is restored.
diff --git a/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm b/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm
index 936f722be6..e1eff758f7 100644
--- a/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm
+++ b/MdePkg/Library/BaseLib/Arm/SetJumpLongJump.asm
@@ -19,7 +19,6 @@
 ;  value to be returned by SetJump().
 ;
 ;  If JumpBuffer is NULL, then ASSERT().
-;  For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
 ;
 ;  @param  JumpBuffer    A pointer to CPU context buffer.
 ;
@@ -42,7 +41,7 @@ SetJump
 ;
 ;  Restores the CPU context from the buffer specified by JumpBuffer.
 ;  This function never returns to the caller.
-;  Instead is resumes execution based on the state of JumpBuffer.
+;  Instead it resumes execution based on the state of JumpBuffer.
 ;
 ;  @param  JumpBuffer    A pointer to CPU context buffer.
 ;  @param  Value         The value to return when the SetJump() context is restored.