docs: improve documentation (#1898)

* improve channel documentation

* forgot some stuff

* another one

* im good at this

* i did a dum

src/util/Collection.js

@@ -413,10 +413,10 @@ class Collection extends Map {
   }
 
   /**
-   * The sort() method sorts the elements of a collection in place and returns the collection.
+   * The sort() method sorts the elements of a collection and returns it.
    * The sort is not necessarily stable. The default sort order is according to string Unicode code points.
    * @param {Function} [compareFunction] Specifies a function that defines the sort order.
-   * if omitted, the collection is sorted according to each character's Unicode code point value,
+   * If omitted, the collection is sorted according to each character's Unicode code point value,
    * according to the string conversion of each element.
    * @returns {Collection}
    */