diff --git a/tree.dot b/tree.dot
index cc61d06..42cfd69 100644
--- a/tree.dot
+++ b/tree.dot
@@ -46,6 +46,8 @@ digraph tree {
     
     A4 -> D1
     C3 -> D2_C3_merge
+    // Some changes
+    // Some changes 2
 }