diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 07dc238..4c2cd72 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -4282,7 +4282,7 @@
          --BBI) {
       if (&*BBI == I)
         break;
-      // Debug info intrinsic does not intefer during tail call optimization.
+      // Debug info intrinsics do not get in the way of tail call optimization.
       if (isa<DbgInfoIntrinsic>(BBI))
         continue;
       if (BBI->mayHaveSideEffects() || BBI->mayReadFromMemory() ||