diff --git a/bob/learn/tensorflow/losses/center_loss.py b/bob/learn/tensorflow/losses/center_loss.py
index a6da47f618c0ba87ef7e41e44fdb2af58a022916..19196df105d6ff52114c42439cb09228c887b9e3 100644
--- a/bob/learn/tensorflow/losses/center_loss.py
+++ b/bob/learn/tensorflow/losses/center_loss.py
@@ -6,7 +6,7 @@ class CenterLossLayer(tf.keras.layers.Layer):
 
     Attributes
     ----------
-    centers:
+    centers
         The variable that keeps track of centers.
 
     n_classes : int