diff --git a/src/structures/GuildChannel.js b/src/structures/GuildChannel.js
index 36a84f529..fcdbab224 100644
--- a/src/structures/GuildChannel.js
+++ b/src/structures/GuildChannel.js
@@ -176,10 +176,11 @@ class GuildChannel extends Channel {
       .freeze();
   }
 
+  /* eslint-disable max-len */
   /**
    * Replaces the permission overwrites in this channel.
    * @param {Object} [options] Options
-   * @param {Array<PermissionOverwrites|PermissionOverwriteOptions>} [options.overwrites] Permission overwrites
+   * @param {Array<PermissionOverwrites|PermissionOverwriteOptions>|Collection<Snowflake, PermissionOverwriteOptions>} [options.overwrites] Permission overwrites
    * @param {string} [options.reason] Reason for updating the channel overwrites
    * @returns {Promise<GuildChannel>}
    * @example
@@ -197,9 +198,10 @@ class GuildChannel extends Channel {
     return this.edit({ permissionOverwrites: resolvePermissions.call(this, overwrites), reason })
       .then(() => this);
   }
+  /* eslint-enable max-len */
 
   /**
-   * An object mapping permission flags to `true` (enabled), `null` (default) or `false` (disabled).
+   * An object mapping permission flags to `true` (enabled), `null` (unset) or `false` (disabled).
    * ```js
    * {
    *  'SEND_MESSAGES': true,