[PATCH 2/4] docs: ubifs-authentication: Add a top-level heading

There are two chapter headings, which otherwise both show up in the
table of contents in filesystems/index.html.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
---
 Documentation/filesystems/ubifs-authentication.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/filesystems/ubifs-authentication.rst b/Documentation/filesystems/ubifs-authentication.rst
index 6a9584f6ff46..12babb95a822 100644
--- a/Documentation/filesystems/ubifs-authentication.rst
+++ b/Documentation/filesystems/ubifs-authentication.rst

@@ -4,6 +4,10 @@
 .. sigma star gmbh
 .. 2018

+====================
+UBIFS Authentication
+====================
+
 Introduction
 ============

--

2.20.1