[docs] Fixed formatting error bothering pypi in README

nemesifier · nemesifier · commit e1a4acdbcdce · 2020-01-13T18:39:03.000+01:00
diff --git a/README.rst b/README.rst
@@ -279,7 +279,7 @@ Path of the visualizer css file. Allows customization of css according to user's
 preferences.
 
 ``NETJSONGRAPH_NODE_EXPIRATION``
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 +--------------+--------------------------------+
 | **type**:    | ``int``                        |
