diff --git a/tensorflow/core/grappler/optimizers/meta_optimizer.cc b/tensorflow/core/grappler/optimizers/meta_optimizer.cc
index 56ffc5a0ec9..79f8cfe35e7 100644
--- a/tensorflow/core/grappler/optimizers/meta_optimizer.cc
+++ b/tensorflow/core/grappler/optimizers/meta_optimizer.cc
@@ -215,8 +215,8 @@ Status MetaOptimizer::InitializeCustomGraphOptimizers(
       TF_RETURN_IF_ERROR(custom_optimizer->Init(&optimizer_config));
       optimizers->push_back(std::move(custom_optimizer));
     } else {
-      // if there are no custom optimizers with given name, try to initalize a
-      // default optimizer. This way custom configurable optimizers can be
+      // If there are no custom optimizers with given name, try to initalize a
+      // default optimizer. This way, custom configurable optimizers can be
       // mixed with default optimizers in any order.
       auto optimizer = MakeNewOptimizer(optimizer_config.name());
       if (optimizer) {