doc: fix singleton example in Developer Guide

Signed-off-by: Nathan Cutler <ncutler@suse.com>

diff --git a/doc/dev/index.rst b/doc/dev/index.rst
index 601b9b78ab33e2599370ec92e3d2c4599dd21821..4f7499b6230371e812fe6720fb40d8f23a3da992 100644 (file)
--- a/doc/dev/index.rst
+++ b/doc/dev/index.rst
@@ -911,7 +911,7 @@ exit code zero).
 
 This test can be run with::
 
-    $ teuthology-suite --suite rados/singleton/all/admin-socket.yaml
+    $ teuthology-suite --suite rados/singleton/all/admin-socket.yaml fs/ext4.yaml
 
 Test descriptions 
 -----------------