diff --git a/minisky.js b/minisky.js
index b30be37..6ffebc5 100644
--- a/minisky.js
+++ b/minisky.js
@@ -79,6 +79,10 @@ class Minisky {
     return await this.parseResponse(response);
   }
 
+  /**
+   * @param {string | boolean} auth
+   * @returns {Record<string, string>}
+   */
   authHeaders(auth) {
     if (typeof auth == 'string') {
       return { 'Authorization': `Bearer ${auth}` };
diff --git a/models.js b/models.js
index acddde8..9b4058c 100644
--- a/models.js
+++ b/models.js
@@ -25,6 +25,9 @@ class ATProtoRecord {
 }
 
 class Post extends ATProtoRecord {
+  parent;
+  reason;
+
   static parse(json) {
     let post;
 
diff --git a/types.d.ts b/types.d.ts
index c0c3acb..5ee69a3 100644
--- a/types.d.ts
+++ b/types.d.ts
@@ -1,7 +1,7 @@
 interface Window {
   unauthed: boolean;
   root: object;
-  dateLocale: string;
+  dateLocale?: string;
 }
 
 declare var api: BlueskyAPI;
diff --git a/utils.js b/utils.js
index d1b4903..f268d2f 100644
--- a/utils.js
+++ b/utils.js
@@ -27,6 +27,10 @@ function $tag(tag, params) {
   return element;
 }
 
+/**
+  * @param {string} name
+  * @returns {any}
+  */
 function $id(name) {
   return document.getElementById(name);
 }
@@ -81,7 +85,7 @@ function linkToPostById(handle, postId) {
   url.searchParams.set('post', postId);
 
   if (window.unauthed) {
-    url.searchParams.set('_u', 1);    
+    url.searchParams.set('_u', '1');
   }
 
   return url.toString();