diff --git a/api-ref/source/conf.py b/api-ref/source/conf.py
index 903ee17..894a63c 100644
--- a/api-ref/source/conf.py
+++ b/api-ref/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",
@@ -96,8 +96,8 @@ html_static_path = ['_static']
 
 # -- Options for PDF output --------------------------------------------------
 latex_documents = [
-    ('index',
+('index',
      'dcs-api-ref.tex',
      u'Distributed Cache Service - API Reference',
      u'OpenTelekomCloud', 'manual'),
-]
+]
\ No newline at end of file