diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index bce5fd86260..495baca78ec 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -2509,7 +2509,7 @@ X86TargetLowering::IsEligibleForTailCallOptimization(SDValue Callee,
   }
 
   // An stdcall caller is expected to clean up its arguments; the callee
-  // isn't going to do that.   PR 8461.
+  // isn't going to do that.
   if (!CCMatch && CallerCC==CallingConv::X86_StdCall)
     return false;