comment typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164097 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenSchedule.h b/utils/TableGen/CodeGenSchedule.h
index 0c86944..dd0bf72 100644
--- a/utils/TableGen/CodeGenSchedule.h
+++ b/utils/TableGen/CodeGenSchedule.h
@@ -83,7 +83,7 @@
 #endif
 };
 
-/// Represent a transition between SchedClasses induced by SchedWriteVariant.
+/// Represent a transition between SchedClasses induced by SchedVariant.
 struct CodeGenSchedTransition {
   unsigned ToClassIdx;
   IdxVec ProcIndices;