sum -> add
@@ -66,7 +66,7 @@ class Merge(Layer):
warnings.warn('The `Merge` layer is deprecated '
'and will be removed after 08/2017. '
'Use instead layers from `keras.layers.merge`, '
- 'e.g. `sum`, `concatenate`, etc.')
+ 'e.g. `add`, `concatenate`, etc.')
self.layers = layers
self.mode = mode
self.concat_axis = concat_axis
