diff --git a/doc/sphinx/index.rst b/doc/sphinx/index.rst
index 32967a3..1ed55b3 100644
--- a/doc/sphinx/index.rst
+++ b/doc/sphinx/index.rst
@@ -12,9 +12,9 @@
    :maxdepth: 1
    :glob:
 
-   sefun
-   props
-   lfun
+   sefun.index
+   props.index
+   lfun.index
 
 
 Indices and tables
diff --git a/doc/sphinx/lfun.rst b/doc/sphinx/lfun.index.rst
similarity index 100%
rename from doc/sphinx/lfun.rst
rename to doc/sphinx/lfun.index.rst
diff --git a/doc/sphinx/props.rst b/doc/sphinx/props.index.rst
similarity index 100%
rename from doc/sphinx/props.rst
rename to doc/sphinx/props.index.rst
diff --git a/doc/sphinx/sefun.rst b/doc/sphinx/sefun.index.rst
similarity index 100%
rename from doc/sphinx/sefun.rst
rename to doc/sphinx/sefun.index.rst