doc: How to generate an object corpus : should be a subsection

Fixes: #11099
Signed-off-by: Alexis Normand <n.al3xis@gmail.com>

diff --git a/doc/dev/corpus.rst b/doc/dev/corpus.rst
index fe8d1e1d6ba2dccffc4817232639108bf94569ca..76fa43db0a771b3fb6dacdb7ea296706f6a1bf78 100644 (file)
--- a/doc/dev/corpus.rst
+++ b/doc/dev/corpus.rst
@@ -16,7 +16,7 @@ decode old objects across that $version (this is normally the case).
 
 
 How to generate an object corpus
-================================
+--------------------------------
 
 We can generate an object corpus for a particular version of ceph like so.