update

src/app/pages/register/register.component.html

@@ -1,9 +1,9 @@
-<form [formGroup]="form" (ngSubmit)="register()">
+<form [formGroup]="form" (ngSubmit)="register()" *ngIf="!success">
     <mat-card>
         <mat-card-content>
             <h2>{{'register' | i18n}}</h2>
             <mat-error *ngIf="missingToken">
-                <a routerLink="/tokens" aria-label="Enter tokens">{{'register.token.missing' | i18n}}</a>
+                <a routerLink="/tokens">{{'register.token.missing' | i18n}}</a>
             </mat-error>
             <mat-form-field>
                 <input matInput placeholder="{{'username' | i18n}}" formControlName="username"
@@ -59,4 +59,16 @@
             <mat-progress-bar *ngIf="working" mode="indeterminate"></mat-progress-bar>
         </mat-card-actions>
     </mat-card>
-</form>
+</form>
+
+<mat-card *ngIf="success">
+    <mat-card-content>
+        <h2>{{'register.success.title' | i18n}}</h2>
+        <p>{{'register.success.text' | i18n}}</p>
+    </mat-card-content>
+    <mat-card-actions>
+        <a routerLink="/login" mat-raised-button color="primary">
+            {{'register.login' | i18n}}
+        </a>
+    </mat-card-actions>
+</mat-card>