diff --git a/llvm/include/llvm/Support/MemoryBuffer.h b/llvm/include/llvm/Support/MemoryBuffer.h
index bc61c34eb0f8..1e3a154ede67 100644
--- a/llvm/include/llvm/Support/MemoryBuffer.h
+++ b/llvm/include/llvm/Support/MemoryBuffer.h
@@ -76,7 +76,7 @@ public:
                                              const char *BufferName = "");
   
   /// getSTDIN - Read all of stdin into a file buffer, and return it.  This
-  /// fails if stdin is empty.
+  /// returns null if stdin is empty.
   static MemoryBuffer *getSTDIN();