diff --git a/llvm/include/llvm/MC/MCRegisterInfo.h b/llvm/include/llvm/MC/MCRegisterInfo.h
index 1d3c64a8ef5d..776fb09c1233 100644
--- a/llvm/include/llvm/MC/MCRegisterInfo.h
+++ b/llvm/include/llvm/MC/MCRegisterInfo.h
@@ -579,8 +579,9 @@ public:
   }
 };
 
-/// MCRegUnitIterator enumerates a list of register units and their associated
-/// lane masks for Reg. The register units are in ascending numerical order.
+/// MCRegUnitMaskIterator enumerates a list of register units and their
+/// associated lane masks for Reg. The register units are in ascending
+/// numerical order.
 class MCRegUnitMaskIterator {
   MCRegUnitIterator RUIter;
   const unsigned *MaskListIter;