diff --git a/config/locales/devise.en.yml b/config/locales/devise.en.yml
index 2d90c1cd0..187bccb87 100644
--- a/config/locales/devise.en.yml
+++ b/config/locales/devise.en.yml
@@ -8,14 +8,14 @@ en:
       send_paranoid_instructions: "If your email address exists in our database, you will receive an email with instructions for how to confirm your email address in a few minutes."
     failure:
       already_authenticated: "You are already signed in."
-      inactive: "Your account is not activated yet."
-      invalid: "Invalid %{authentication_keys} or password."
-      locked: "Your account is locked."
+      inactive: "Your account has not been activated yet."
+      invalid: "Incorrect %{authentication_keys} email or password."
+      locked: "Your account has been locked."
       last_attempt: "You have one more attempt before your account is locked."
-      not_found_in_database: "Invalid %{authentication_keys} or password."
+      not_found_in_database: "Incorrect %{authentication_keys} email or password."
       timeout: "Your session expired. Please sign in again to continue."
       unauthenticated: "You need to sign in or sign up before continuing."
-      unconfirmed: "You have to confirm your email address before continuing."
+      unconfirmed: "You must confirm your email address before continuing."
     mailer:
       confirmation_instructions:
         subject: "Confirmation instructions"