diff --git a/src/stores/notifications.js b/src/stores/notifications.js
index 4f18ccc21..c69e9c164 100644
--- a/src/stores/notifications.js
+++ b/src/stores/notifications.js
@@ -22,17 +22,41 @@ import {
 import { isStatusNotification } from 'src/services/notification_utils/notification_utils_sw.js'
 
 export const defaultState = () => ({
+  // Prevents desktop notification spam on startup
   desktopNotificationSilence: true,
+
+  // Pagination
   maxId: '',
   minId: '',
+
+  // Order
   data: [],
+
+  // TODO: Implement!
+  // Useful for making notification as seen
+  // when interacting with status
   statusNotificationRelations: new WeakMap(),
+
+  // ID to Object notification
   idStore: new Map(),
-  statusIdStore: new Set(),
+
+  // Reference to WS subscriber
   socket: null,
+
+  // Indicates whether notifications receive push updates
   streaming: false,
+
+  // Indicates whether notifications are SUPPOSED to be fetching
+  // this is partiualrly useful for when pausing/resuming. I.e.
+  // whether we need to start fetching again if timeline was resumed.
   fetching: true,
+
+  // Reference to fetcher, used for polling for new notifications
+  // and manually fetching old notifications
   fetcher: null,
+
+  // Whether notifications fetcher has been paused - it stops fetching
+  // (but still receives pushes!)
   paused: false,
 })
 
diff --git a/src/stores/timelines.js b/src/stores/timelines.js
index 834c29f50..bdd49d05c 100644
--- a/src/stores/timelines.js
+++ b/src/stores/timelines.js
@@ -8,18 +8,49 @@ import { TIMELINE_STREAM_MAP, useStreamingStore } from 'src/stores/streaming.js'
 
 const emptyTl = (name, argument = null) => {
   const result = {
+    // Name of the timeline. Useful for debugging and logging
     name,
+
+    // Order of statuses, important for timelines that
+    // have different ordering, i.e. bookmarks and favorites
     order: [],
+
+    // All statuses belonging to the timeline
     statusIds: new Set(),
+
+    // Statuses shown to user
     visibleStatusIds: new Set(),
+
+    // Number of statuses not shown yet
     newStatusCount: 0,
+
+    // Pagination
     maxId: '',
     minId: '',
+
+    // Indicates whether timeline receives push updates
     streaming: false,
+
+    // Indicates whether timeline is SUPPOSED to be fetching
+    // this is partiualrly useful for when pausing/resuming
+    // timeline. I.e. whether we need to start fetching again
+    // if timeline was resumed.
     fetching: false,
+
+    // Indicates that in recent poll update we've hit more than or
+    // equal to 20 statuses and most likely missed some statuses
+    // between polls
     reloadNeeded: false,
+
+    // Reference to fetcher, used for polling for new statuses and
+    // manually fetching old statuses
     fetcher: null,
+
+    // Reference to WS subscriber
     socket: null,
+
+    // Whether the timeline has been paused - it stops fetching
+    // (but still receives pushes!)
     paused: false,
   }