diff --git a/src/client/Client.js b/src/client/Client.js
index 0fd8c18e6..c9e0e09e2 100644
--- a/src/client/Client.js
+++ b/src/client/Client.js
@@ -198,7 +198,7 @@ class Client extends EventEmitter {
 
   /**
    * Current status of the client's connection to Discord
-   * @type {?number}
+   * @type {?Status}
    * @readonly
    */
   get status() {
diff --git a/src/client/voice/VoiceConnection.js b/src/client/voice/VoiceConnection.js
index ceab3cf14..e1297ee82 100644
--- a/src/client/voice/VoiceConnection.js
+++ b/src/client/voice/VoiceConnection.js
@@ -52,7 +52,7 @@ class VoiceConnection extends EventEmitter {
 
     /**
      * The current status of the voice connection
-     * @type {number}
+     * @type {VoiceStatus}
      */
     this.status = Constants.VoiceStatus.AUTHENTICATING;
 
diff --git a/src/structures/Message.js b/src/structures/Message.js
index e87c33434..6a5fdd3dc 100644
--- a/src/structures/Message.js
+++ b/src/structures/Message.js
@@ -40,7 +40,7 @@ class Message {
 
     /**
      * The type of the message
-     * @type {string}
+     * @type {MessageType}
      */
     this.type = Constants.MessageTypes[data.type];
 
diff --git a/src/util/Constants.js b/src/util/Constants.js
index fdcc78d7b..64d9e5963 100644
--- a/src/util/Constants.js
+++ b/src/util/Constants.js
@@ -329,6 +329,18 @@ exports.WSEvents = {
   RELATIONSHIP_REMOVE: 'RELATIONSHIP_REMOVE',
 };
 
+/**
+ * The type of a message, e.g. `DEFAULT`. Here are the available types:
+ * - DEFAULT
+ * - RECIPIENT_ADD
+ * - RECIPIENT_REMOVE
+ * - CALL
+ * - CHANNEL_NAME_CHANGE
+ * - CHANNEL_ICON_CHANGE
+ * - PINS_ADD
+ * - GUILD_MEMBER_JOIN
+ * @typedef {string} MessageType
+ */
 exports.MessageTypes = [
   'DEFAULT',
   'RECIPIENT_ADD',