diff --git a/src/client/Client.js b/src/client/Client.js
index 58d3c7db1af9..257a5cd8109e 100644
--- a/src/client/Client.js
+++ b/src/client/Client.js
@@ -113,7 +113,8 @@ class Client extends BaseClient {
     /**
      * All of the {@link Channel}s that the client is currently handling, mapped by their IDs -
      * as long as sharding isn't being used, this will be *every* channel in *every* guild the bot
-     * is a member of, and all DM channels
+     * is a member of. Note that DM channels will not be initially cached, and thus not be present
+     * in the store without their explicit fetching or use.
      * @type {ChannelStore<Snowflake, Channel>}
      */
     this.channels = new ChannelStore(this);