From 912941be1d42d19a0a8b5ded73b35deee8e05718 Mon Sep 17 00:00:00 2001
From: Oleksii Trekhleb <trehleb@gmail.com>
Date: Wed, 21 Apr 2021 17:30:49 +0200
Subject: [PATCH] Add troubleshooting instructions.

---
 README.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/README.md b/README.md
index 71b0798f..a9fc7b5e 100644
--- a/README.md
+++ b/README.md
@@ -236,6 +236,7 @@ tree is being used.
 ## How to use this repository
 
 **Install all dependencies**
+
 ```
 npm install
 ```
@@ -249,15 +250,26 @@ npm run lint
 ```
 
 **Run all tests**
+
 ```
 npm test
 ```
 
 **Run tests by name**
+
 ```
 npm test -- 'LinkedList'
 ```
 
+**Troubleshooting**
+
+In case if linting or testing is failing try to delete the `node_modules` folder and re-install npm packages:
+
+```
+rm -rf ./node_modules
+npm i
+```
+
 **Playground**
 
 You may play with data-structures and algorithms in `./src/playground/playground.js` file and write