diff --git a/src/structures/GuildChannel.js b/src/structures/GuildChannel.js
index d95de1d83..eb470a868 100644
--- a/src/structures/GuildChannel.js
+++ b/src/structures/GuildChannel.js
@@ -286,7 +286,7 @@ class GuildChannel extends Channel {
    * @property {CategoryChannel|Snowflake} [parent] The parent or parent ID of the channel
    * @property {ChannelCreationOverwrites[]|Collection<Snowflake, PermissionOverwrites>} [permissionOverwrites]
    * Overwrites of the channel
-   * @property {number} [rateLimitPerUser] The rate limit per user of the channel
+   * @property {number} [rateLimitPerUser] The rate limit per user of the channel in seconds
    */
 
   /**
diff --git a/src/structures/TextChannel.js b/src/structures/TextChannel.js
index c47ba6d1a..d16dac87d 100644
--- a/src/structures/TextChannel.js
+++ b/src/structures/TextChannel.js
@@ -48,7 +48,7 @@ class TextChannel extends GuildChannel {
     this.lastPinTimestamp = data.last_pin_timestamp ? new Date(data.last_pin_timestamp).getTime() : null;
 
     /**
-     * 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;
@@ -115,7 +115,7 @@ 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>}
    */