diff --git a/openpype/hosts/unreal/addon.py b/openpype/hosts/unreal/addon.py
index 16f6fcf27c..ed23950b35 100644
--- a/openpype/hosts/unreal/addon.py
+++ b/openpype/hosts/unreal/addon.py
@@ -24,7 +24,10 @@ class UnrealAddon(OpenPypeModule, IHostAddon):
         pattern = re.compile(r'^\d+-\d+$')
 
         if not pattern.match(app.name):
-            msg = "Unreal application name must be in format '5-0' or '5-1'"
+            msg = (
+                "Unreal application key in the settings must be in format"
+                "'5-0' or '5-1'"
+            )
             Window(
                 parent=None,
                 title="Unreal application name format",