From f1692b552ab3769703727166b96fc7ab13b8ca7f Mon Sep 17 00:00:00 2001
From: Oleksii Trekhleb <trehleb@gmail.com>
Date: Fri, 18 May 2018 06:22:37 +0300
Subject: [PATCH] Update README.

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index d7e5c225..e462e320 100644
--- a/README.md
+++ b/README.md
@@ -139,7 +139,7 @@ npm test
 npm test -- -t 'LinkedList'
 ```
 
-## Playground
+**Playground**
 
 You may play with data-structures and algorithms in `./src/playground/playground.js` file and write
 tests for it in `./src/playground/__test__/playground.test.js`.