diff --git a/tensorflow_addons/activations/rrelu.py b/tensorflow_addons/activations/rrelu.py
index 3309d3cf9e..6c41596c4a 100644
--- a/tensorflow_addons/activations/rrelu.py
+++ b/tensorflow_addons/activations/rrelu.py
@@ -31,7 +31,7 @@ def rrelu(x, lower=0.125, upper=0.3333333333333333, training=None, seed=None):
     """rrelu function.
 
     Computes rrelu function:
-    `x if x > 0 else random(lower,upper) * x` or
+    `x if x > 0 else random(lower, upper) * x` or
     `x if x > 0 else x * (lower + upper) / 2`
     depending on whether training is enabled.
 
diff --git a/tensorflow_addons/activations/rrelu_test.py b/tensorflow_addons/activations/rrelu_test.py
old mode 100755
new mode 100644