diff --git a/contrib/ds-algorithms/index.md b/contrib/ds-algorithms/index.md
index 25e797f..71a9cb5 100644
--- a/contrib/ds-algorithms/index.md
+++ b/contrib/ds-algorithms/index.md
@@ -22,4 +22,4 @@
 - [AVL Trees](avl-trees.md)
 - [Splay Trees](splay-trees.md)
 - [Dijkstra's Algorithm](dijkstra.md)
-- [Tree Traversals](Tree-Traversal.md)
+- [Tree Traversals](tree-traversal.md)