doc: Fixed index syntax.

Signed-off-by: John Wilkins <jowilkin@redhat.com>

diff --git a/doc/rados/configuration/osd-config-ref.rst b/doc/rados/configuration/osd-config-ref.rst
index 3c3a766f027c7519e917e402ca6fd70b7c64188c..1691bc0f4bdc572b6f0499c25f84d85dd6dd4456 100644 (file)
--- a/doc/rados/configuration/osd-config-ref.rst
+++ b/doc/rados/configuration/osd-config-ref.rst
@@ -91,6 +91,7 @@ that Ceph uses the entire partition for the journal.
 
 
 .. index:: OSD; file system
+
 File System Settings
 ====================
 Ceph builds and mounts file systems which are used for Ceph OSDs.