diff --git a/docs/index.rst b/docs/index.rst
index 9cd88febc..d96ab70c5 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -43,7 +43,7 @@ Rougail
 
 .. toctree::
    :titlesonly:
-   :caption: The dictionaries
+   :caption: The structured files
 
    structfile
    dict_convention