changelog adjusted

Change-Id: Id3ce575c7739757b0ee9bfda957224cf59f83a5f
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 60b56fe..4834828 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,4 +1,4 @@
-oslo_templates formula
+oslo-templates formula
 =====================================
 
 2018.1 (2018-05-18)