Fixed pages markdown tab length

pages/pelicanconf.py

@@ -38,4 +38,8 @@ AUTHOR_FEED_RSS = None
 DEFAULT_PAGINATION = False
 
 # Uncomment following line if you want document-relative URLs when developing
-#RELATIVE_URLS = True
+#RELATIVE_URLS = True
+
+MARKDOWN = {
+    'tab_length': 2,
+}