Fix typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155075 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp
index dc92a6c..812d81c 100644
--- a/utils/TableGen/AsmMatcherEmitter.cpp
+++ b/utils/TableGen/AsmMatcherEmitter.cpp
@@ -1127,7 +1127,7 @@
 /// defined operand parsing methods.
 void AsmMatcherInfo::BuildOperandMatchInfo() {
 
-  /// Map containing a mask with all operands indicies that can be found for
+  /// Map containing a mask with all operands indices that can be found for
   /// that class inside a instruction.
   std::map<ClassInfo*, unsigned> OpClassMask;