diff --git a/editor/tree_search.cpp b/editor/tree_search.cpp
index e0494d1..ae775b5 100644
--- a/editor/tree_search.cpp
+++ b/editor/tree_search.cpp
@@ -405,6 +405,7 @@ void TreeSearch::update_search(Tree *p_tree) {
 		// clear and redraw if search was active recently.
 		if (was_searched_recently) {
 			_clear_filter();
+			number_matches.clear();
 			matching_entries.clear();
 			was_searched_recently = false;
 			p_tree->queue_redraw();
diff --git a/editor/tree_search.h b/editor/tree_search.h
index 1dbb2d2..21ff51f 100644
--- a/editor/tree_search.h
+++ b/editor/tree_search.h
@@ -53,10 +53,13 @@ private:
 
 	// For TaskTree: These are updated when the tree is updated through TaskTree::_create_tree.
 	Tree *tree_reference;
-
+	// linearized ordering of tree items.
 	Vector<TreeItem *> ordered_tree_items;
+	// entires that match the search mask.
 	Vector<TreeItem *> matching_entries;
+	// number of descendant matches for each tree item.
 	HashMap<TreeItem *, int> number_matches;
+	// custom draw-callbacks for each tree item.
 	HashMap<TreeItem *, Callable> callable_cache;
 
 	bool was_searched_recently = false; // Performance