Update doc for fit() to fix epoch description
An epoch is defined by the length of the dataset, unless the steps_per_epoch flag is set.
@@ -931,7 +931,8 @@ class Model(base_layer.Layer, version_utils.ModelVersionSelector):
(since they generate batches).
epochs: Integer. Number of epochs to train the model.
An epoch is an iteration over the entire `x` and `y`
- data provided.
+ data provided
+ (unless the steps_per_epoch flag is set to something other than None).
Note that in conjunction with `initial_epoch`,
`epochs` is to be understood as "final epoch".
The model is not trained for a number of iterations
