Fix broken configuration block

HypeMC · HypeMC · commit 1aa619a120c8 · 2020-11-13T17:49:22.000+01:00
diff --git a/lock.rst b/lock.rst
@@ -223,7 +223,7 @@ Named Lock
 ----------
 
 If the application needs different kind of Stores alongside each other, Symfony
-provides :ref:`named lock <reference-lock-resources-name>`::
+provides :ref:`named lock <reference-lock-resources-name>`:
 
 .. configuration-block::
 
