diff --git a/Documentation/filesystems/index.rst b/Documentation/filesystems/index.rst
index 98f59a864242..7be9b46d85d9 100644
--- a/Documentation/filesystems/index.rst
+++ b/Documentation/filesystems/index.rst
@@ -113,7 +113,7 @@ Documentation for filesystem implementations.
    sysv-fs
    tmpfs
    ubifs
-   ubifs-authentication.rst
+   ubifs-authentication
    udf
    virtiofs
    vfat