diff --git a/docs/conf.py b/docs/conf.py
index e122762..7cf2557 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -211,11 +211,11 @@ def find_version(*file_paths):
 
 latex_elements = {
     # The paper size ('letterpaper' or 'a4paper').
-    #'papersize': 'letterpaper',
+    # 'papersize': 'letterpaper',
     # The font size ('10pt', '11pt' or '12pt').
-    #'pointsize': '10pt',
+    # 'pointsize': '10pt',
     # Additional stuff for the LaTeX preamble.
-    #'preamble': '',
+    # 'preamble': '',
 }
 
 # Grouping the document tree into LaTeX files. List of tuples