diff --git a/module/fid/src/Controller/UserController.php b/module/fid/src/Controller/UserController.php
index 2e8d89f664e26f06036cca1126cc77fb048f42f7..7eb04a7da71cacdf802bfdbbe83e0ee5798ecb07 100644
--- a/module/fid/src/Controller/UserController.php
+++ b/module/fid/src/Controller/UserController.php
@@ -458,6 +458,12 @@ class UserController extends AbstractBase
         $form = $this->serviceLocator->get(PasswordResetModel::class);
         $forwarded = $this->params()->fromRoute('forwarded', false);
 
+        if($this->getUser()) {
+            $form->get('username')->setAttribute('disabled', 'true');
+            $form->get('username')->setValue($this->client->requestUserDetails()->getUsername());
+            $form->setValidationGroup(['submit']);
+        }
+
         if ($submitted = $this->formWasSubmitted()) {
             $form->setData($request->getPost());
             if (!$forwarded && $form->isValid()) {
@@ -474,11 +480,15 @@ class UserController extends AbstractBase
 
     protected function sendResetPassword(Form $form)
     {
-        /** @var PasswordResetModel $model */
         $messenger = $this->getMessenger();
-        $model = $form->getHydrator()->hydrate(
-            $form->getData(), new PasswordResetModel());
-        $username = $model->getUsername();
+        if ($this->getUser()) {
+            $username = $this->client->requestUserDetails()->getUsername();
+        } else {
+            /** @var PasswordResetModel $model */
+            $model = $form->getHydrator()->hydrate(
+                $form->getData(), new PasswordResetModel());
+            $username = $model->getUsername();
+        }
 
         try {
             /** @noinspection PhpUndefinedFieldInspection */
diff --git a/themes/fid/languages/fid/de.ini b/themes/fid/languages/fid/de.ini
index c6b2429f49a38d7e1e18ac1cd31d98d9af2f4986..9e3e16e570023de702f87ef9f4375039a72b6988 100644
--- a/themes/fid/languages/fid/de.ini
+++ b/themes/fid/languages/fid/de.ini
@@ -6,8 +6,10 @@ user_init_form_title = "Registrierung"
 user_create_form_title = "Registrierung abschließen"
 user_update_form_title = "Profildaten editieren."
 password_reset_form_title = "Passwort zurücksetzen"
+password_reset_form_information = "Bitte geben Sie die E-Mail-Adresse ein, mit der Sie sich registriert haben. Wir senden Ihnen einen Link per E-Mail, über den Sie Ihr Passwort ändern können."
 password_change_form_title = "Neues Passwort speichern"
 username_change_form_title = "E-Mail-Adresse ändern"
+username_change_form_information = "Bitte geben Sie Ihre neue E-Mail-Adresse ein. Wir senden Ihnen einen Link per E-Mail, über den Sie Ihre neue E-Mail-Adresse bestätigen müssen. Danach können Sie sich mit Ihrer neuen E-Mail-Adresse anmelden."
 
 label_username = "E-Mail-Adresse"
 label_newusername = "Neue E-Mail-Adresse"
diff --git a/themes/fid/languages/fid/en.ini b/themes/fid/languages/fid/en.ini
index d23b1f317e91a096bc6dc441f46aced014e8b296..45291196faabba6997c7f74c11b2270f9cfc5687 100644
--- a/themes/fid/languages/fid/en.ini
+++ b/themes/fid/languages/fid/en.ini
@@ -6,8 +6,10 @@ user_init_form_title = "Registration"
 user_create_form_title = "Complete registration"
 user_update_form_title = "Profile data"
 password_reset_form_title = "Reset password"
+password_reset_form_information = "Please enter the e-mail address by which you registered your user account. We will send you a link to change your password."
 password_change_form_title = "Save new password"
 username_change_form_title = "Update email address"
+username_change_form_information = "Please enter your new e-mail address. We will send you a link to confirm your new email address. Then you can login with your new e-mail address."
 
 label_username = "Email address"
 label_newusername = "New email address"
diff --git a/themes/fid/templates/fid/user/password-reset.phtml b/themes/fid/templates/fid/user/password-reset.phtml
index 3bf4994ed40108c5a67ae37625d5a333745c156f..02cb1122f8b6b725b91a335cc9131575041139ad 100644
--- a/themes/fid/templates/fid/user/password-reset.phtml
+++ b/themes/fid/templates/fid/user/password-reset.phtml
@@ -53,6 +53,7 @@ $this->headTitle($this->translate("fid::password_reset_form_title"));
 ?>
 <h2><?= $this->translate("fid::password_reset_form_title") ?></h2>
 <?= $this->flashmessages() ?>
+<?= $this->translate("fid::password_reset_form_information") ?>
 <?= $this->form()->openTag($form) ?>
 <br/>
 <?php /* username */ ?>
diff --git a/themes/fid/templates/fid/user/username-change.phtml b/themes/fid/templates/fid/user/username-change.phtml
index 4d9f6945dfcb05cf80734001916971165d550969..80331a37350bed8bd9c2178bd8ffe066d0311e2e 100644
--- a/themes/fid/templates/fid/user/username-change.phtml
+++ b/themes/fid/templates/fid/user/username-change.phtml
@@ -54,12 +54,8 @@ $this->headTitle($this->translate("fid::username_change_form_title"));
 ?>
 
 <h2><?= $this->translate("fid::username_change_form_title") ?></h2>
-
-<div class="subito-pg">
-    * <?=$this->transEsc("This field is required")?>
-</div>
-
 <?= $this->flashmessages() ?>
+<?= $this->translate("fid::username_change_form_information") ?>
 <?= $this->form()->openTag($form) ?>
 <br/>
 <? /* username */ ?>