Fix typo in documentation for Configuration File V2
an -> and
@@ -3,7 +3,7 @@ Configuration File V2
Read the Docs supports configuring your documentation builds with a YAML file.
The :doc:`configuration file <index>` must be in the root directory of your project
-an be named ``.readthedocs.yaml``.
+and be named ``.readthedocs.yaml``.
All options are applied to the version containing this file.
Below is an example YAML file which shows the most common configuration options:
