diff --git a/src/modules/oauth.js b/src/modules/oauth.js
index 4b233b211a..332b8db2d1 100644
--- a/src/modules/oauth.js
+++ b/src/modules/oauth.js
@@ -2,7 +2,14 @@ const oauth = {
   state: {
     clientId: false,
     clientSecret: false,
+    /* App token is authentication for app without any user, used mostly for
+     * MastoAPI's registration of new users, stored so that we can fall back to
+     * it on logout
+     */
     appToken: false,
+    /* User token is authentication for app with user, this is for every calls
+     * that need authorized user to be successful (i.e. posting, liking etc)
+     */
     userToken: false
   },
   mutations: {