diff --git a/vdirsyncer/storage/singlefile.py b/vdirsyncer/storage/singlefile.py
index 3aa9d25..b86a0db 100644
--- a/vdirsyncer/storage/singlefile.py
+++ b/vdirsyncer/storage/singlefile.py
@@ -62,7 +62,7 @@ class SingleFileStorage(Storage):
         #username =
         #password =
 
-    Example for syncing with :storage:`caldav` using a ``null`` collection:
+    Example for syncing with :storage:`caldav` using a ``null`` collection::
 
         [pair my_calendar]
         a = my_calendar_local