Fix RST syntax (#305)

mdboom · web-flow · commit aa7fe3bac3a3 · 2021-04-07T13:54:36.000-04:00
diff --git a/docs/index.rst b/docs/index.rst
@@ -3,8 +3,8 @@ Glean parser
 
 .. image:: _static/glean.jpeg
 
-This contains the developer documentation for `glean_parser`. Information about
-using Glean is available in [the Glean book](https://mozilla.github.io/glean).
+This contains the developer documentation for ``glean_parser``. Information about
+using Glean is available in `the Glean book <https://mozilla.github.io/glean>`_.
 
 .. toctree::
    :maxdepth: 2
