fix manpage heading issue

Sphinx skips zero level headins when generating manpages.
Increasing sections depth solves missing headers problem.

diff --git a/doc/fio_man.rst b/doc/fio_man.rst
index 7eae05e25ea281ed5c87fe6b0445a2e5aae9de73..c6a6438ff3436763d7c1dc00779ed316023c5e2a 100644 (file)
--- a/doc/fio_man.rst
+++ b/doc/fio_man.rst
@@ -1,6 +1,7 @@
 :orphan:
 
-
+Fio Manpage
+===========
 
 (rev. |release|)