diff --git a/lib/Controller/LoginController.php b/lib/Controller/LoginController.php
index 22e0ddf7..39d05d31 100644
--- a/lib/Controller/LoginController.php
+++ b/lib/Controller/LoginController.php
@@ -556,8 +556,8 @@ public function code(string $state = '', string $code = '', string $scope = '',
 
 			if($syncGroups === null || count($syncGroups) === 0) {
 				$this->logger->debug('Prevented user from login as user is not part of a whitelisted group');
-				$message = $this->l10n->t('You do not have permission to log in to this instance. If you believe this is an error, please contact an Administrator.');
-				return $this->build403TemplateResponse($message, Http::STATUS_FORBIDDEN, ['reason' => 'user not allowed to login']);
+				$message = $this->l10n->t('You do not have permission to log in to this instance. If you think this is an error, please contact an administrator.');
+				return $this->build403TemplateResponse($message, Http::STATUS_FORBIDDEN, ['reason' => 'user not in any whitelisted group']);
 			}
 		}
 
diff --git a/src/components/SettingsForm.vue b/src/components/SettingsForm.vue
index 4a4834f5..f9e0ea73 100644
--- a/src/components/SettingsForm.vue
+++ b/src/components/SettingsForm.vue
@@ -264,13 +264,13 @@
 				type="text">
 		</p>
 		<p class="settings-hint">
-			{{ t('user_oidc', 'Only groups matching the whitelist regex will be created, updated and deleted by the group claim') }}
+			{{ t('user_oidc', 'Only groups matching the whitelist regex will be created, updated and deleted by the group claim. For example: {regex} allows all groups which ID starts with {substr}', { regex: '/^blue/', substr: 'blue' }) }}
 		</p>
 		<NcCheckboxRadioSwitch :checked.sync="localProvider.settings.restrictLoginToGroups" wrapper-element="div">
-			{{ t('user_oidc', 'Restrict login for users without whitelisted groups.') }}
+			{{ t('user_oidc', 'Restrict login for users that are not in any whitelisted group') }}
 		</NcCheckboxRadioSwitch>
 		<p class="settings-hint">
-			{{ t('user_oidc', 'Users that are not part of a whitelisted group are not created and can not login') }}
+			{{ t('user_oidc', 'Users that are not part of any whitelisted group are not created and can not login') }}
 		</p>
 		<NcCheckboxRadioSwitch :checked.sync="localProvider.settings.checkBearer" wrapper-element="div">
 			{{ t('user_oidc', 'Check Bearer token on API and WebDav requests') }}