minor mod to model-utils

Author: Alexander Ororbia

ngclearn/utils/model_utils.py

@@ -657,7 +657,7 @@ def layer_normalize(x, shift=0., scale=1.):
 @jit
 def drop_out(dkey, data, rate=0.0):
     """
-    Applies a drop-out transform to an input matrix.
+    Applies a drop-out transform (i.e., a random number of elements will be dropped to zero) to an input matrix.
 
     Args:
         dkey: Jax randomness key for this operator