Fix a typo


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43144 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86RegisterInfo.h b/lib/Target/X86/X86RegisterInfo.h
index 6a2c19e..26b52f4 100644
--- a/lib/Target/X86/X86RegisterInfo.h
+++ b/lib/Target/X86/X86RegisterInfo.h
@@ -132,7 +132,7 @@
                                   unsigned OpNum,
                                   MachineInstr* LoadMI) const;
 
-  /// unfoldMemoryOperand - Separate a single instruction which folded a load or a
+  /// unfoldMemoryOperand - Separate a single instruction which folded a load or
   /// a store or a load and a store into two or more instruction. If this is
   /// possible, returns true as well as the new instructions by reference.
   bool unfoldMemoryOperand(MachineFunction &MF, MachineInstr *MI,