diff --git a/Documentation/filesystems/index.rst b/Documentation/filesystems/index.rst
index b03578063801..824a3ecbb0ca 100644
--- a/Documentation/filesystems/index.rst
+++ b/Documentation/filesystems/index.rst
@@ -47,5 +47,6 @@ Documentation for filesystem implementations.
    :maxdepth: 2
 
    autofs
+   overlayfs
    virtiofs
    vfat