Add error text and title with server name

src/components/structures/auth/Registration.tsx

@@ -741,7 +741,14 @@ export default class Registration extends React.Component<IProps, IState> {
                 </div>
             );
         } else if (this.props.mobileRegister) {
-            body = this.renderRegisterComponent();
+            body = (
+                <Fragment>
+                    <h1>{_t("auth|mobile_create_account_title", { hsName: this.props.serverConfig.hsName })}</h1>
+                    {errorText}
+                    {serverDeadSection}
+                    {this.renderRegisterComponent()}
+                </Fragment>
+            );
         } else {
             body = (
                 <Fragment>
@@ -772,11 +779,7 @@ export default class Registration extends React.Component<IProps, IState> {
             );
         }
         if (this.props.mobileRegister) {
-            return (
-                <Fragment>
-                    <div className="mx_MobileRegister_body">{body}</div>
-                </Fragment>
-            );
+            return <div className="mx_MobileRegister_body">{body}</div>;
         }
         return (
             <AuthPage>

src/i18n/strings/en_EN.json

@@ -229,6 +229,7 @@
         },
         "misconfigured_body": "Ask your %(brand)s admin to check <a>your config</a> for incorrect or duplicate entries.",
         "misconfigured_title": "Your %(brand)s is misconfigured",
+        "mobile_create_account_title": "You're about to create an account on %(hsName)s",
         "msisdn_field_description": "Other users can invite you to rooms using your contact details",
         "msisdn_field_label": "Phone",
         "msisdn_field_number_invalid": "That phone number doesn't look quite right, please check and try again",