diff --git a/network/dyndns_api.rst b/network/dyndns_api.rst
index 3162380..96ded64 100644
--- a/network/dyndns_api.rst
+++ b/network/dyndns_api.rst
@@ -35,6 +35,7 @@ fonction args
 Parse les argument du scripts
 
 .. code-block::python
+    :linenos:
 
 	def get_args():
 		"""