diff --git a/Design:-Runnable-Project.md b/Design:-Runnable-Project.md
index 6b44db4..ddd11ec 100644
--- a/Design:-Runnable-Project.md
+++ b/Design:-Runnable-Project.md
@@ -30,8 +30,8 @@ We can't quite do this today. Here are the missing pieces:
       - [DCJ] added as new command line option to runnable-project dev branch
 
 4. Must handle running in a read-only environment. If the package is installed globally (in order to insert a command link into /usr/bin) then the flow file and settings.js will be in root space - which ought not to be writable by the user. Currently even starting Node-RED with -u option pointing somewhere protected will fail. Options include 
-    - just handling the error. 
-    - on detecting this condition, marking the settings.readOnly as true thus stopping the library failing. 
+    - just handling the error - i.e. log something (useful) - but fail to start.
+    - on detecting this condition, marking the settings.readOnly as true thus stopping the library failing - but run. 
     - setting disableEditor to `true` also.
 
 The package would provide an npm start script that runs node-red with the appropriate command-line args.