diff --git a/specs/mitaka/networkx-graph-driver.rst b/specs/mitaka/networkx-graph-driver.rst
index 714f8bd..8757422 100644
--- a/specs/mitaka/networkx-graph-driver.rst
+++ b/specs/mitaka/networkx-graph-driver.rst
@@ -4,9 +4,9 @@
 
  http://creativecommons.org/licenses/by/3.0/legalcode
 
-==========================
+=====================
 NetworkX Graph driver
-==========================
+=====================
 
 https://blueprints.launchpad.net/vitrage/+spec/networkx-graph-driver