diff --git a/lib/Target/ARM/ARMTargetMachine.h b/lib/Target/ARM/ARMTargetMachine.h
index 71a53488f16..dd9542ea809 100644
--- a/lib/Target/ARM/ARMTargetMachine.h
+++ b/lib/Target/ARM/ARMTargetMachine.h
@@ -103,7 +103,7 @@ public:
   ThumbTargetMachine(const Target &T, const std::string &TT,
                      const std::string &FS);
 
-  /// returns either Thumb1RegisterInfo of Thumb2RegisterInfo
+  /// returns either Thumb1RegisterInfo or Thumb2RegisterInfo
   virtual const ARMBaseRegisterInfo *getRegisterInfo() const {
     return &InstrInfo->getRegisterInfo();
   }