diff --git a/llvm/lib/CodeGen/RegAllocFast.cpp b/llvm/lib/CodeGen/RegAllocFast.cpp
index 93e3adc3c784..b2fd6e092ce6 100644
--- a/llvm/lib/CodeGen/RegAllocFast.cpp
+++ b/llvm/lib/CodeGen/RegAllocFast.cpp
@@ -97,7 +97,7 @@ namespace {
       // immediately without checking aliases.
       regFree,
 
-      // A reserved register has been assigned expolicitly (e.g., setting up a
+      // A reserved register has been assigned explicitly (e.g., setting up a
       // call parameter), and it remains reserved until it is used.
       regReserved