diff --git a/locales/en-US.yml b/locales/en-US.yml
index ed71b5a190..b56ec140d8 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -375,6 +375,8 @@ hcaptcha: "hCaptcha"
 enableHcaptcha: "Enable hCaptcha"
 hcaptchaSiteKey: "Site key"
 hcaptchaSecretKey: "Secret key"
+mcaptchaSiteKey: "Site key"
+mcaptchaSecretKey: "Secret key"
 recaptcha: "reCAPTCHA"
 enableRecaptcha: "Enable reCAPTCHA"
 recaptchaSiteKey: "Site key"