Fix comment typo.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67307 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index 925e3e9..1cbf91f 100644
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -85,7 +85,7 @@
 
   DOUT << "Looking to fold " << BB->getNameStart() << " into " 
        << Succ->getNameStart() << "\n";
-  // Shortcut, if there is only a single predecessor is must be BB and merging
+  // Shortcut, if there is only a single predecessor it must be BB and merging
   // is always safe
   if (Succ->getSinglePredecessor()) return true;