1 files changed, 4 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/SwitchStack.c b/MdePkg/Library/BaseLib/SwitchStack.c
index 4454856607..a6e33aec6e 100644
--- a/MdePkg/Library/BaseLib/SwitchStack.c
+++ b/MdePkg/Library/BaseLib/SwitchStack.c
@@ -36,6 +36,10 @@
                       function.
   @param  NewStack    A pointer to the new stack to use for the EntryPoint
                       function.
+  @param  ...         This variable argument list is ignored for IA32, x64, and EBC.  
+                      For IPF, this variable argument list is expected to contain 
+                      a single parameter of type VOID * that specifies the new backing 
+                      store pointer.
 
 **/
 VOID