Fix typo in comment.

llvm-svn: 36873
diff --git a/llvm/lib/Transforms/IPO/Internalize.cpp b/llvm/lib/Transforms/IPO/Internalize.cpp
index 5046401..f1b2251 100644
--- a/llvm/lib/Transforms/IPO/Internalize.cpp
+++ b/llvm/lib/Transforms/IPO/Internalize.cpp
@@ -46,7 +46,7 @@
     std::set<std::string> ExternalNames;
     bool DontInternalize;
   public:
-    static char ID; // Pass identifcation, replacement for typeid
+    static char ID; // Pass identification, replacement for typeid
     InternalizePass(bool InternalizeEverything = true);
     InternalizePass(const std::vector <const char *>& exportList);
     void LoadFile(const char *Filename);