diff --git a/Documentation/applications/system/uorb/index.rst b/Documentation/applications/system/uorb/index.rst
index dd6022270ae..35e78de8b9f 100644
--- a/Documentation/applications/system/uorb/index.rst
+++ b/Documentation/applications/system/uorb/index.rst
@@ -604,7 +604,7 @@ By following these instructions, users can effectively utilize the Generator deb
 ::
 
   The tool publishes topic data via uorb.
-  Notice:NSH_LINELEN must be set to 128 or more.
+  Notice:LINE_MAX must be set to 128 or more.
   
   generator <command> [arguments...]
     Commands: