Fix typo in comment.

llvm-svn: 36873
diff --git a/llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp b/llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp
index 019949c..943ea30 100644
--- a/llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp
+++ b/llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp
@@ -76,7 +76,7 @@
     std::multimap<Function*, CallSite> CallSites;
 
   public:
-    static char ID; // Pass identifcation, replacement for typeid
+    static char ID; // Pass identification, replacement for typeid
     DAE() : ModulePass((intptr_t)&ID) {}
     bool runOnModule(Module &M);