Update "conf.py" file.

KelSolaar · KelSolaar · commit 1b88a08c9955 · 2019-10-19T17:30:36.000+13:00
diff --git a/docs/conf.py b/docs/conf.py
@@ -198,7 +198,7 @@
 latex_elements = {
     # The paper size ('letterpaper' or 'a4paper').
     'papersize':
-        'letterpaper',
+        'a4paper',
 
     # The font size ('10pt', '11pt' or '12pt').
     'pointsize':
