diff --git a/src/structures/GuildChannel.js b/src/structures/GuildChannel.js
index 4ba8eb99b..8ffdcfe8f 100644
--- a/src/structures/GuildChannel.js
+++ b/src/structures/GuildChannel.js
@@ -291,7 +291,7 @@ class GuildChannel extends Channel {
    * Lock the permissions of the channel to what the parent's permissions are
    * @property {OverwriteResolvable[]|Collection<Snowflake, OverwriteResolvable>} [permissionOverwrites]
    * Permission overwrites for the channel
-   * @property {number} [rateLimitPerUser] The ratelimit per user for the channel
+   * @property {number} [rateLimitPerUser] The ratelimit per user for the channel in seconds
    */
 
   /**
diff --git a/src/structures/TextChannel.js b/src/structures/TextChannel.js
index 836c55a08..55c3b0d24 100644
--- a/src/structures/TextChannel.js
+++ b/src/structures/TextChannel.js
@@ -50,7 +50,7 @@ class TextChannel extends GuildChannel {
     this.lastMessageID = data.last_message_id;
 
     /**
-     * The ratelimit per user for this channel
+     * The ratelimit per user for this channel in seconds
      * @type {number}
      */
     this.rateLimitPerUser = data.rate_limit_per_user || 0;
@@ -66,7 +66,7 @@ class TextChannel extends GuildChannel {
 
   /**
    * Sets the rate limit per user for this channel.
-   * @param {number} rateLimitPerUser The new ratelimit
+   * @param {number} rateLimitPerUser The new ratelimit in seconds
    * @param {string} [reason] Reason for changing the channel's ratelimits
    * @returns {Promise<TextChannel>}
    */