diff --git a/04-ab_tree/task.md b/04-ab_tree/task.md
index f7ffd0d7e54ac3eefbdbb9f18e4f50d0ab612d4a..eb23ec57d639ce3503d93902645648b02962d8fb 100644
--- a/04-ab_tree/task.md
+++ b/04-ab_tree/task.md
@@ -11,3 +11,5 @@ Chapter 3](http://mj.ucw.cz/vyuka/dsnotes/03-abtree.pdf) where the actual values
 stored also in the internal nodes of the tree and not only in leaves.
 
 You should submit the `ab_tree.*` file (but not `ab_tree_test.*` files).
+
+Source code templates can be found in [git](https://gitlab.kam.mff.cuni.cz/datovky/assignments/-/tree/master).