diff --git a/tensorflow/compiler/tf2tensorrt/convert/convert_nodes.cc b/tensorflow/compiler/tf2tensorrt/convert/convert_nodes.cc
index 4cc72e50b24..d8140949191 100644
--- a/tensorflow/compiler/tf2tensorrt/convert/convert_nodes.cc
+++ b/tensorflow/compiler/tf2tensorrt/convert/convert_nodes.cc
@@ -3773,7 +3773,8 @@ tensorflow::Status ConvertGraphDefToEngine(
     builder->setFp16Mode(true);
   } else if (precision_mode == TrtPrecisionMode::INT8) {
     // Setting FP16 mode as well allows TRT to also consider FP16 kernels and
-    // use them in situations where they are faster than INT8.
+    // use them in situations where they are faster than INT8 or where INT8 is
+    // not supported for a given layer.
     builder->setFp16Mode(true);
     builder->setInt8Mode(true);
     if (use_calibration) {