Add correct expiration message

config/locales/devise_invitable.en.yml

@@ -21,7 +21,7 @@ en:
         hello: "Hello %{email}"
         someone_invited_you: "Someone has invited you to %{url}, you can accept it through the link below."
         accept: "Accept invitation"
-        accept_until: "This invitation will be due in %{due_date} GMT."
+        accept_until: "This invitation will expire at %{due_date} GMT or if a new password reset is triggered."
         ignore: "If you don't want to accept the invitation, please ignore this email.<br />\nYour account won't be created until you access the link above and set your password."
   time:
     formats:

spec/mailers/custom_devise_mailer_spec.rb

@@ -40,8 +40,8 @@
         expect(mail.html_part.body).to include("Your request has been approved and you're invited to become an user of the Human Essentials inventory management system!")
       end
 
-      it "has invite expiration message" do
-        expect(mail.html_part.body).to include("This invitation will be due in #{user.invitation_due_at.strftime("%B %d, %Y %I:%M %p")} GMT.")
+      it "has invite expiration message and reset instructions" do
+        expect(mail.html_part.body).to include("This invitation will expire at #{user.invitation_due_at.strftime("%B %d, %Y %I:%M %p")} GMT or if a new password reset is triggered.")
       end
 
       it "has reset instructions" do