diff --git a/docs/advanced_usage.rst b/docs/advanced_usage.rst
index a273e685b..4723ff4b7 100644
--- a/docs/advanced_usage.rst
+++ b/docs/advanced_usage.rst
@@ -219,7 +219,7 @@ files like ``0000123.pdf`` in your media directory. This isn't necessarily a bad
 thing, because you normally don't have to access these files manually. However, if
 you wish to name your files differently, you can do that by adjusting the
 ``PAPERLESS_FILENAME_FORMAT`` configuration option. Paperless adds the correct
-file extension e.g. ``.pdf``, ``.jpg`` automatically. 
+file extension e.g. ``.pdf``, ``.jpg`` automatically.
 
 This variable allows you to configure the filename (folders are allowed) using
 placeholders. For example, configuring this to