Small fix to syntax

cryptiklemur · xabbuh · commit 72e6dcd08cec · 2018-08-30T23:01:04.000+02:00
diff --git a/components/var_dumper.rst b/components/var_dumper.rst
@@ -119,7 +119,7 @@ Inside a Symfony application, the output of the dump server is configured with
 the :ref:`dump_destination option <configuration-debug-dump_destination>` of the
 ``debug`` package.
 
-Outside a Symfony application, use the ``ServerDumper`` class:
+Outside a Symfony application, use the ``ServerDumper`` class::
 
     require __DIR__.'/vendor/autoload.php';
     
