diff --git a/package_linter.py b/package_linter.py
index 3febce0..b8ce2e6 100755
--- a/package_linter.py
+++ b/package_linter.py
@@ -407,9 +407,9 @@ class App(TestSuite):
     @test()
     def change_url_script(app):
 
-        has_domain_arg = any(a["name"] == "is_public" for a in app.manifest["arguments"].get("install", []))
+        has_domain_arg = any(a["name"] == "domain" for a in app.manifest["arguments"].get("install", []))
         if has_domain_arg and not file_exists(app.path + "/scripts/change_url"):
-            yield Warning("Consider adding a change_url script to support changing where the app is installed")
+            yield Info("Consider adding a change_url script to support changing where the app is installed")
 
     @test()
     def badges_in_readme(app):