diff --git a/ui/app/utils/message-from-adapter-error.js b/ui/app/utils/message-from-adapter-error.js
index 3b6a4f5f779..a5259c8c55f 100644
--- a/ui/app/utils/message-from-adapter-error.js
+++ b/ui/app/utils/message-from-adapter-error.js
@@ -8,7 +8,7 @@ import { ForbiddenError } from '@ember-data/adapter/error';
 // Returns a single string based on the response the adapter received
 export default function messageFromAdapterError(error, actionMessage) {
   if (error instanceof ForbiddenError) {
-    return `Your ACL token does not grant permission to ${actionMessage}.`;
+    return `Your ACL token does not grant permission to ${actionMessage}. Please ensure you are signed in.`;
   }
 
   if (error.errors?.length) {
diff --git a/ui/tests/unit/utils/message-from-adapter-error-test.js b/ui/tests/unit/utils/message-from-adapter-error-test.js
index 0c597840a3a..1da3a83dece 100644
--- a/ui/tests/unit/utils/message-from-adapter-error-test.js
+++ b/ui/tests/unit/utils/message-from-adapter-error-test.js
@@ -11,7 +11,7 @@ const testCases = [
   {
     name: 'Forbidden Error',
     in: [new ForbiddenError([], "Can't do that"), 'run tests'],
-    out: 'Your ACL token does not grant permission to run tests.',
+    out: 'Your ACL token does not grant permission to run tests. Please ensure you are signed in.',
   },
   {
     name: 'Generic Error',