diff --git a/official_docs/en/conf.py b/official_docs/en/conf.py
index 905564e..e93e130 100644
--- a/official_docs/en/conf.py
+++ b/official_docs/en/conf.py
@@ -46,7 +46,7 @@
 templates_path = ['_templates']
 
 # The suffix of source filenames.
-source_suffix = '.rst'
+#source_suffix = '.rst'
 
 # The encoding of source files.
 #source_encoding = 'utf-8-sig'