diff --git a/docs/dpgui.rst b/docs/dpgui.rst
index 21bda4e..ead131e 100644
--- a/docs/dpgui.rst
+++ b/docs/dpgui.rst
@@ -1,14 +1,14 @@
 Use with DP-GUI
 ===============
 
-Developers can export an :class:`Argument <dargs.Argument>` to `DP-GUI <https://github.com/deepmodeling/dpgui>` for users, by adding a :code:`dpgui` entry point to `pyproject.toml`:
+Developers can export an :class:`Argument <dargs.Argument>` to `DP-GUI <https://github.com/deepmodeling/dpgui>`_ for users, by adding a :code:`dpgui` entry point to `pyproject.toml`:
 
 .. code-block:: toml
 
    [project.entry-points."dpgui"]
     "Test Argument" = "dargs.sphinx:_test_argument"
 
-where `_test_argument` returns an :class:`Argument <dargs.Argument>` or a list of :class:`Argument <dargs.Argument>`, :code:`"Test Argument"` is its name that can be any string.
+where `_test_argument` returns an :class:`Argument <dargs.Argument>` or a list of :class:`Argument <dargs.Argument>`, and :code:`"Test Argument"` is its name that can be any string.
 
 Users can install the `dpgui` Python package via `pip` and serve the DP-GUI instance using the `dpgui` command line: