diff --git a/lib/Analysis/LoadValueNumbering.cpp b/lib/Analysis/LoadValueNumbering.cpp
index b433de3d53f..79e071d5043 100644
--- a/lib/Analysis/LoadValueNumbering.cpp
+++ b/lib/Analysis/LoadValueNumbering.cpp
@@ -85,7 +85,7 @@ void LoadVN::getAnalysisUsage(AnalysisUsage &AU) const {
 void LoadVN::getEqualNumberNodes(Value *V,
                                  std::vector<Value*> &RetVals) const {
   // If the alias analysis has any must alias information to share with us, we
-  // can definately use it.
+  // can definitely use it.
   if (isa<PointerType>(V->getType()))
     getAnalysis<AliasAnalysis>().getMustAliases(V, RetVals);
 
diff --git a/lib/Transforms/IPO/DeadArgumentElimination.cpp b/lib/Transforms/IPO/DeadArgumentElimination.cpp
index c4e73af7e83..f8aaf35d82f 100644
--- a/lib/Transforms/IPO/DeadArgumentElimination.cpp
+++ b/lib/Transforms/IPO/DeadArgumentElimination.cpp
@@ -262,7 +262,7 @@ bool DAE::run(Module &M) {
           LiveArguments.insert(AI);
           break;
         case Dead:
-          DEBUG(std::cerr << "    Arg definately dead: " <<AI->getName()<<"\n");
+          DEBUG(std::cerr << "    Arg definitely dead: " <<AI->getName()<<"\n");
           DeadArguments.insert(AI);
           break;
         case MaybeLive: