diff --git a/IntelFrameworkPkg/Include/Protocol/Legacy8259.h b/IntelFrameworkPkg/Include/Protocol/Legacy8259.h
index 53d8dcaf3f..2b5ccc9520 100644
--- a/IntelFrameworkPkg/Include/Protocol/Legacy8259.h
+++ b/IntelFrameworkPkg/Include/Protocol/Legacy8259.h
@@ -64,10 +64,10 @@ typedef enum {
 
   @param  This                  Protocol instance pointer.
   @param  MasterBase            The base vector for the Master PIC in the 8259 controller
-  @param  Slavebase             The base vector for the Master PIC in the 8259 controller
+  @param  SlaveBase             The base vector for the Slave PIC in the 8259 controller
 
   @retval EFI_SUCCESS           The new bases were programmed
-  @retval EFI_DEVICE_ERROR      A device erro occured programming the vector bases
+  @retval EFI_DEVICE_ERROR      A device error occured programming the vector bases
 
 **/
 typedef
@@ -116,7 +116,7 @@ EFI_STATUS
   @param  ProtectedEdgeLevel    Bit 0 is Irq0 - Bit 15 is Irq15
 
   @retval EFI_SUCCESS           8259 status returned
-  @retval EFI_DEVICE_ERROR      Error reading 8259
+  @retval EFI_DEVICE_ERROR      Error writing 8259
 
 **/
 typedef
@@ -144,7 +144,7 @@ EFI_STATUS
   @param  EdgeLevel             Optional trigger mask for the new mode.
 
   @retval EFI_SUCCESS           8259 programmed
-  @retval EFI_DEVICE_ERROR      Error writting to 8259
+  @retval EFI_DEVICE_ERROR      Error writing to 8259
 
 **/
 typedef
diff --git a/IntelFrameworkPkg/Include/Protocol/SmmAccess.h b/IntelFrameworkPkg/Include/Protocol/SmmAccess.h
index 97c00731ed..d7719e44c1 100644
--- a/IntelFrameworkPkg/Include/Protocol/SmmAccess.h
+++ b/IntelFrameworkPkg/Include/Protocol/SmmAccess.h
@@ -72,7 +72,7 @@ EFI_STATUS
   Inhibits access to the SMRAM.
 
   @param  This                  The EFI_SMM_ACCESS_PROTOCOL instance.
-  @param  DescriptorIndex       Indicates that the driver wishes to open
+  @param  DescriptorIndex       Indicates that the driver wishes to close
                                 the memory tagged by this index.
 
   @retval EFI_SUCCESS           The operation was successful.
@@ -90,8 +90,9 @@ EFI_STATUS
 
 /**
   Inhibits access to the SMRAM.
+
   @param  This                  The EFI_SMM_ACCESS_PROTOCOL instance.
-  @param  DescriptorIndex       Indicates that the driver wishes to open
+  @param  DescriptorIndex       Indicates that the driver wishes to lock
                                 the memory tagged by this index.
 
   @retval EFI_SUCCESS           The operation was successful.