diff --git a/components/Feed/Feed.php b/components/Feed/Feed.php
index 55ec18c128..2bff473ebe 100644
--- a/components/Feed/Feed.php
+++ b/components/Feed/Feed.php
@@ -36,6 +36,12 @@ use Doctrine\ORM\QueryBuilder;
 
 class Feed extends Component
 {
+    /**
+     * Perform a high level query on notes or actors
+     *
+     * Supports a variety of query terms and is used both in feeds and
+     * in search. Uses query builders to allow for extension
+     */
     public static function query(string $query, int $page, ?string $language = null, ?Actor $actor = null): array
     {
         $note_criteria  = null;
diff --git a/components/Group/Group.php b/components/Group/Group.php
index 8fcc4c21c8..c505f836a4 100644
--- a/components/Group/Group.php
+++ b/components/Group/Group.php
@@ -44,6 +44,9 @@ class Group extends Component
         return Event::next;
     }
 
+    /**
+     * Add an <a href=group_settings> to the profile card for groups, if the current actor can access them
+     */
     public function onAppendCardProfile(array $vars, array &$res): bool
     {
         $actor = Common::actor();
diff --git a/components/Tag/Controller/Tag.php b/components/Tag/Controller/Tag.php
index 8ea835c4a1..c79410c930 100644
--- a/components/Tag/Controller/Tag.php
+++ b/components/Tag/Controller/Tag.php
@@ -86,6 +86,9 @@ class Tag extends Controller
         );
     }
 
+    /**
+     * Generic settings page for an Actor's self tags
+     */
     public static function settingsSelfTags(Request $request, E\Actor $target, string $details_id)
     {
         $actor = Common::actor();
@@ -98,7 +101,10 @@ class Tag extends Controller
         [$add_form, $existing_form] = SelfTagsForm::handleTags(
             $request,
             $actor_tags,
-            handle_new: function ($form) use ($request, $target, $details_id) {
+            handle_new: /**
+             * Handle adding tags
+             */
+            function ($form) use ($request, $target, $details_id) {
                 $data = $form->getData();
                 $tags = $data['new-tags'];
                 $language = $target->getTopLanguage()->getLocale();
@@ -117,7 +123,10 @@ class Tag extends Controller
                 Cache::delete(E\Actor::cacheKeys($target->getId(), $target->getId())['tags']);
                 throw new RedirectException($request->get('_route'), ['nickname' => $target->getNickname(), 'open' => $details_id]);
             },
-            handle_existing: function ($form, array $form_definition) use ($request, $target, $details_id) {
+            handle_existing: /**
+             * Handle changes to the existing tags
+             */
+            function ($form, array $form_definition) use ($request, $target, $details_id) {
                 $data = $form->getData();
                 $changed = false;
                 foreach (array_chunk($form_definition, 3) as $entry) {
diff --git a/plugins/TagBasedFiltering/TagBasedFiltering.php b/plugins/TagBasedFiltering/TagBasedFiltering.php
index 26e16e6121..759da83ecd 100644
--- a/plugins/TagBasedFiltering/TagBasedFiltering.php
+++ b/plugins/TagBasedFiltering/TagBasedFiltering.php
@@ -76,9 +76,14 @@ class TagBasedFiltering extends Plugin
         ];
     }
 
+    /**
+     * Filter out tags from notes or actors, per the user request
+     */
     public function onFilterNoteList(?Actor $actor, array &$notes, Request $request)
     {
-        if (\is_null($actor)) return Event::next;
+        if (\is_null($actor)) {
+            return Event::next;
+        }
         $blocked_note_tags = Cache::get(
             self::cacheKeys($actor)['note'],
             fn () => DB::dql('select ntb from note_tag_block ntb where ntb.blocker = :blocker', ['blocker' => $actor->getId()]),