diff --git a/umn/source/conf.py b/umn/source/conf.py
index f6337e4..63b9706 100644
--- a/umn/source/conf.py
+++ b/umn/source/conf.py
@@ -75,7 +75,7 @@ show_authors = False
 html_theme = 'otcdocs'
 
 # Theme options are theme-specific and customize the look and feel of a theme
-# further.  For a list of options available for each theme, see the
+# further. For a list of options available for each theme, see the
 # documentation.
 html_theme_options = {
     "disable_search": "True",
@@ -100,4 +100,4 @@ latex_documents = [
      'dcs-umn.tex',
      u'Distributed Cache Service - User Guide',
      u'OpenTelekomCloud', 'manual'),
-]
\ No newline at end of file
+]