Fix a comment.

llvm-svn: 38459
diff --git a/llvm/lib/Transforms/Scalar/GVNPRE.cpp b/llvm/lib/Transforms/Scalar/GVNPRE.cpp
index 5b16894..94e458c 100644
--- a/llvm/lib/Transforms/Scalar/GVNPRE.cpp
+++ b/llvm/lib/Transforms/Scalar/GVNPRE.cpp
@@ -547,7 +547,7 @@
 }
 
 //===----------------------------------------------------------------------===//
-//                         ValueTable Class
+//                       ValueNumberedSet Class
 //===----------------------------------------------------------------------===//
 
 class ValueNumberedSet {