Update index.md

tg123 · tg123 · commit 927c01bcbea2 · 2015-08-19T22:58:07.000+08:00
diff --git a/verify-preorder-sequence-in-binary-search-tree/index.md b/verify-preorder-sequence-in-binary-search-tree/index.md
@@ -1,6 +1,6 @@
 ---
 layout: solution
-title: verify-preorder-sequence-in-binary-search-tree/
+title: Verify Preorder Sequence in Binary Search Tree
 date: 2015-08-15 11:47:30+08:00
 leetcode_id: 255
 ---
