diff --git a/locales/en-US.yml b/locales/en-US.yml
index 5842e87f9..f0832f83e 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -87,7 +87,7 @@ common:
   use-contrast-reversi-stones: "Make the stone color clear in reversi"
   verified-user: "Verified account"
   disable-animated-mfm: "Disable animated texts in a post"
-  do-not-use-in-production: 'This build is for development. DO NOT USE THIS IN PRODUCTION SERVER.'
+  do-not-use-in-production: 'This is a development build. Do not use in production.'
   reversi:
     drawn: "Draw"
     my-turn: "Your turn"