Tweak wording of lab config directory explanation.

docs/source/user/directories.rst

@@ -78,9 +78,7 @@ equivalent) in any of the ``config`` locations returned by ``jupyter
 
 LabConfig Directories
 ---------------------
-These directories for are used configuration data that allow layering of config in file(s) in ``<jupyter_config_path>/labconfig``.
-
-The Jupyter configuration path priority order can be seen by typing ``jupyter --paths``.  The values are combined into a single config object.
+For each config path ``<jupyter_config_path>`` listed in ``jupyter --paths``, the ``<jupyter_config_path>/labconfig`` directory contains configuration data. This configuration data from all of these directories is combined into a single configuration, with priority order given by ``jupyter --paths``.
 
 The primary file used by JupyterLab is ``page_config.json``.  
 The ``page_config.json`` data is used to provide configuration data to the