diff --git a/src/css/themes/dark.css b/src/css/themes/dark.css
index dda0e7c..ab73787 100644
--- a/src/css/themes/dark.css
+++ b/src/css/themes/dark.css
@@ -495,6 +495,7 @@ fieldset[disabled] select,
 
 .table {
     font-size: 0.85em;
+    color: inherit;
 }
 
 .table thead th {
diff --git a/src/installer/index.php b/src/installer/index.php
index ded291e..d81929a 100644
--- a/src/installer/index.php
+++ b/src/installer/index.php
@@ -1,7 +1,7 @@
 <?php
 require_once __DIR__ . "/../private/php/constants.php";
 
-if(file_exists(__INSTALLER_LOCK_FILE) && filesize(__INSTALLER_LOCK_FILE) > 1) {
+if(file_exists(__INSTALLER_LOCK_FILE)) {
     die('File "private/INSTALLER_LOCK" exists. Please remove it if you wish to run the installer again.');
 }
 
diff --git a/src/installer/pages/7.php b/src/installer/pages/7.php
index 2929629..dc83e18 100644
--- a/src/installer/pages/7.php
+++ b/src/installer/pages/7.php
@@ -3,7 +3,11 @@ if(!defined("__TSWEBSITE_VERSION")) die("Direct access not allowed");
 
 use Wruczek\TSWebsite\Utils\TeamSpeakUtils;
 
-if(file_put_contents(__INSTALLER_LOCK_FILE, "WEBSITE_INSTALLED") === false) {
+$installerLockMessage =
+    "After initial installation, this file prevents someone from running it again. " .
+    "Deleting it will allow you to re-install TS-website.";
+
+if(file_put_contents(__INSTALLER_LOCK_FILE, $installerLockMessage) === false) {
     die("Cannot write to <code>private/INSTALLER_LOCK</code>! Please check the file/directory permissions");
 }
 
@@ -89,7 +93,7 @@ if(!empty($_COOKIE["tsw_allow_metrics"])) {
                     <i class="fab fa-paypal whatnow-icon fa-fw" style="color: #003087"></i>
                 </div>
                 <div class="col-lg-10">
-                    <h1><a href="https://paypal.me/#" target="_blank">Donate</a></h1>
+                    <h1><a href="https://wruczek.tech/donate/paypal?from=tsw" target="_blank">Donate</a></h1>
                     <h3>to keep this project alive</h3>
                 </div>
             </div>
diff --git a/src/private/php/Assigner.php b/src/private/php/Assigner.php
index 89110a4..13a9914 100644
--- a/src/private/php/Assigner.php
+++ b/src/private/php/Assigner.php
@@ -103,7 +103,7 @@ class Assigner {
                     $groupsToAdd[] = $group;
                 }
 
-                // REMOVE GROUP if the group is currently assigned, but the user does not want to be inside it
+                // REMOVE GROUP if the group is currently assigned, but the user does not want to have it
                 if ($isAssigned && !$wantToAssign) {
                     $groupsToRemove[] = $group;
                 }
diff --git a/src/private/templates/assigner.latte b/src/private/templates/assigner.latte
index 9d6b423..870cc99 100644
--- a/src/private/templates/assigner.latte
+++ b/src/private/templates/assigner.latte
@@ -54,7 +54,7 @@
                         <div class="row justify-content-md-center">
                             {foreach $row as $assignerCategory}
                                 <div class="col-md-6">
-                                    <ul class="list-group assigner-category" data-maxgroups="{$assignerCategory["max"]}">
+                                    <div class="list-group assigner-category" data-maxgroups="{$assignerCategory["max"]}">
                                         <li class="list-group-item assigner-header">
                                             <div>
                                                 <i class="{$assignerCategory["icon"]}"></i>{$assignerCategory["name"]}
@@ -65,7 +65,7 @@
                                         </li>
 
                                         {foreach $assignerCategory["groups"] as $group}
-                                            <button type="button" class="list-group-item list-group-item-action">
+                                            <div class="list-group-item list-group-item-action">
                                                 <div>
                                                     {if $group["iconid"]}
                                                         <img src="api/geticon.php?iconid={$group["iconid"]}" alt="{$group["name"]} icon" class="assigner-icon">
@@ -83,9 +83,9 @@
                                                         <label class="custom-control-label" for="assignerCheck{$group["sgid"]}">&nbsp;</label>
                                                     </div>
                                                 </div>
-                                            </button>
+                                            </div>
                                         {/foreach}
-                                    </ul>
+                                    </div>
                                 </div>
                             {/foreach}
                         </div>