diff --git a/backend/i18n/lang/en.yaml b/backend/i18n/lang/en.yaml
index d36bb9ae6e09..6b816d6bd6c8 100644
--- a/backend/i18n/lang/en.yaml
+++ b/backend/i18n/lang/en.yaml
@@ -31,7 +31,7 @@ SystemRestart: "System restart causes task interruption"
 #app
 ErrPortInUsed: "{{ .detail }} port already in use"
 ErrAppLimit: "App exceeds install limit"
-ErrAppRequired: "{{ .detail }} app is required"
+ErrAppRequired: "The {{ .detail }} app is required"
 ErrNotInstall: "App not installed"
 ErrPortInOtherApp: "{{ .port }} port  already in use by app  {{ .apps }}"
 ErrDbUserNotValid: "Stock database, username and password do not match!"