diff --git a/tensorflow/python/autograph/operators/control_flow.py b/tensorflow/python/autograph/operators/control_flow.py
index bde54c8b1a3..3c53c49d876 100644
--- a/tensorflow/python/autograph/operators/control_flow.py
+++ b/tensorflow/python/autograph/operators/control_flow.py
@@ -188,7 +188,7 @@ def _verify_single_loop_var(
                                               shape_invariant))
       if not _is_subshape(exit_shape, shape_invariant):
         raise ValueError(
-            '"{}" has shape {} after the loop, which does not conform with'
+            '"{}" has shape {} after one iteration, which does not conform with'
             ' the shape invariant {}.'.format(
                 name, exit_shape, shape_invariant))