updated docstring description for 'y' parameter in FGSM
@@ -29,8 +29,8 @@ def fgsm(x, predictions, eps, clip_min=None, clip_max=None, y=None):
value for components of the example returned
:param clip_max: optional parameter that can be used to set a maximum
value for components of the example returned
- :param y: the output placeholder. If doing adversarial training, this
- should be none (the default).
+ :param y: the output placeholder. Use None (the default) to avoid the
+ label leaking effect.
:return: a tensor for the adversarial example
"""
