diff --git a/docs/conf.py b/docs/conf.py
index b0d6823..b823e26 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -32,7 +32,7 @@ extensions = []
 templates_path = ["_templates"]
 
 # The suffix of source filenames.
-source_suffix = ".txt"
+source_suffix = ".rst"
 
 # The encoding of source files.
 # source_encoding = 'utf-8-sig'