i18n: separate string for OpenID

options/locale/locale_en-US.ini

@@ -4,7 +4,7 @@ dashboard = Dashboard
 explore = Explore
 help = Help
 logo = Logo
-sign_in = Sign In
+sign_in = Sign in
 sign_in_with_provider = Sign in with %s
 sign_in_or = or
 sign_out = Sign Out
@@ -471,6 +471,7 @@ password_pwned = The password you chose is on a <a target="_blank" rel="noopener
 password_pwned_err = Could not complete request to HaveIBeenPwned
 last_admin = You cannot remove the last admin. There must be at least one admin.
 back_to_sign_in = Back to Sign in
+sign_in_openid = Proceed with OpenID
 
 [mail]
 view_it_on = View it on %s

templates/user/auth/oauth_container.tmpl

@@ -14,7 +14,7 @@
 			{{if .EnableOpenIDSignIn}}
 				<a class="openid ui button tw-flex tw-items-center tw-justify-center tw-py-2 tw-w-full" href="{{AppSubUrl}}/user/login/openid">
 				{{svg "fontawesome-openid" 28 "tw-mr-2"}}
-				{{ctx.Locale.Tr "sign_in_with_provider" "OpenID"}}
+				{{ctx.Locale.Tr "auth.sign_in_openid"}}
 				</a>
 			{{end}}
 			{{if .EnableSSPI}}