diff --git a/doc/source/conf.py b/doc/source/conf.py
index 8ada916da..6683c4579 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -162,9 +162,9 @@ html_static_path = []
 # using the given strftime format.
 #html_last_updated_fmt = '%b %d, %Y'
 git_cmd = ["git", "log", "--pretty=format:'%ad, commit %h'", "--date=local",
-    "-n1"]
+           "-n1"]
 html_last_updated_fmt = subprocess.Popen(git_cmd,
-                                     stdout=subprocess.PIPE).communicate()[0]
+                                         stdout=subprocess.PIPE).communicate()[0]
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.