diff --git a/weboob/applications/radioob/radioob.py b/weboob/applications/radioob/radioob.py
index 01aedd24..3d3ab7bd 100644
--- a/weboob/applications/radioob/radioob.py
+++ b/weboob/applications/radioob/radioob.py
@@ -141,6 +141,11 @@ class Radioob(ReplApplication):
         self.flush()
 
     def do_ls(self, line):
+        """
+        ls
+
+        List radios
+        """
         count = self.options.count
         self.options.count = None
         ret = super(Radioob, self).do_ls(line)