docs: inconsistencies

src/structures/Invite.js

@@ -76,7 +76,7 @@ class Invite extends Base {
     if (data.inviter) {
       /**
        * The user who created this invite
-       * @type {User}
+       * @type {?User}
        */
       this.inviter = this.client.users.add(data.inviter);
     }

src/structures/Role.js

@@ -148,7 +148,7 @@ class Role extends Base {
    * @property {ColorResolvable} [color] The color of the role, either a hex string or a base 10 number
    * @property {boolean} [hoist] Whether or not the role should be hoisted
    * @property {number} [position] The position of the role
-   * @property {PermissionResolvable|PermissionResolvable[]} [permissions] The permissions of the role
+   * @property {PermissionResolvable} [permissions] The permissions of the role
    * @property {boolean} [mentionable] Whether or not the role should be mentionable
    */
 
@@ -252,7 +252,7 @@ class Role extends Base {
 
   /**
    * Sets the permissions of the role.
-   * @param {PermissionResolvable[]} permissions The permissions of the role
+   * @param {PermissionResolvable} permissions The permissions of the role
    * @param {string} [reason] Reason for changing the role's permissions
    * @returns {Promise<Role>}
    * @example
@@ -260,6 +260,11 @@ class Role extends Base {
    * role.setPermissions(['KICK_MEMBERS', 'BAN_MEMBERS'])
    *   .then(updated => console.log(`Updated permissions to ${updated.permissions.bitfield}`))
    *   .catch(console.error);
+   * @example
+   * // Remove all permissions from a role
+   * role.setPermissions(0)
+   *   .then(updated => console.log(`Updated permissions to ${updated.permissions.bitfield}`))
+   *   .catch(console.error);
    */
   setPermissions(permissions, reason) {
     return this.edit({ permissions }, reason);