Update breadthFirstSearch.js (trekhleb#666)

fix comment

Author: perry2008084

src/algorithms/tree/breadth-first-search/breadthFirstSearch.js

@@ -3,9 +3,9 @@ import Queue from '../../../data-structures/queue/Queue';
 /**
  * @typedef {Object} Callbacks
  * @property {function(node: BinaryTreeNode, child: BinaryTreeNode): boolean} allowTraversal -
- *   Determines whether DFS should traverse from the node to its child.
- * @property {function(node: BinaryTreeNode)} enterNode - Called when DFS enters the node.
- * @property {function(node: BinaryTreeNode)} leaveNode - Called when DFS leaves the node.
+ *   Determines whether BFS should traverse from the node to its child.
+ * @property {function(node: BinaryTreeNode)} enterNode - Called when BFS enters the node.
+ * @property {function(node: BinaryTreeNode)} leaveNode - Called when BFS leaves the node.
  */
 
 /**