Address review comments
diff --git a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
index d58da7b..d9c8412 100644
--- a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
+++ b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
@@ -5033,7 +5033,8 @@
case OMPRTL___kmpc_for_static_loop_8:
case OMPRTL___kmpc_for_static_loop_8u:
// Parallel regions might be reached by these calls, as they take a
- // callback argument potentially arbitrary user-provided code.
+ // callback argument potentially containing arbitrary user-provided
+ // code.
ReachedUnknownParallelRegions.insert(&CB);
// TODO: The presence of these calls on their own does not prevent a
// kernel from being SPMD-izable. We mark it as such because we need
