--- a/src/pyams_utils/context.py	Wed Dec 05 16:55:48 2018 +0100
+++ b/src/pyams_utils/context.py	Thu Dec 06 08:42:56 2018 +0100
@@ -24,7 +24,7 @@
     """Interface based context selector
 
     This selector can be used as a subscriber predicate to define
-    an interface that the context must support for the event to be applied:
+    an interface that the context must support for the event to be applied::
 
     .. code-block:: python