1 files changed, 5 insertions, 4 deletions
diff --git a/tensorflow/python/keras/engine/network.py b/tensorflow/python/keras/engine/network.py
index 918488bd7a..5969fea2b2 100644
--- a/tensorflow/python/keras/engine/network.py
+++ b/tensorflow/python/keras/engine/network.py
@@ -1641,10 +1641,11 @@ class Network(base_layer.Layer):
         ValueError: if `summary()` is called before the model is built.
     """
     if not self.built:
-      raise ValueError('This model has never been called, thus its weights '
-                       'have not yet been created, so no summary can be '
-                       'displayed. Build the model first '
-                       '(e.g. by calling it on some data).')
+      raise ValueError('This model has not yet been built. '
+                       'Build the model first by calling `build()` or calling '
+                       '`fit()` with some data, or specify '
+                       'an `input_shape` argument in the first layer(s) for '
+                       'automatic build.')
     layer_utils.print_summary(self,
                               line_length=line_length,
                               positions=positions,