diff --git a/README b/README
index d681b71..a4b0d09 100644
--- a/README
+++ b/README
@@ -231,7 +231,7 @@ SAML 2.0 specification.
 MELLON_GROUP_ATTRIBUTE
 ----------------------
 
-Name of the SAML attribute to map to Django group names, default is None. Ex.:
+Name of the SAML attribute to map to Django group names, default is None. Ex.::
 
    MELLON_GROUP_ATTRIBUTE = 'role'