diff --git a/organize/filters/file_content.py b/organize/filters/file_content.py
index 812eecad..9ba8fff9 100644
--- a/organize/filters/file_content.py
+++ b/organize/filters/file_content.py
@@ -30,7 +30,7 @@ class FileContent(Filter):
 
         - Show the content of all your PDF files:
 
-          .. code-block::yaml
+          .. code-block:: yaml
             :caption: config.yaml
 
             rules: