diff --git a/Chapter 02/Exercise 2.2 b/Chapter 02/Exercise_2.2.js similarity index 100% rename from Chapter 02/Exercise 2.2 rename to Chapter 02/Exercise_2.2.js diff --git a/Chapter 02/Exercise 2.3 b/Chapter 02/Exercise_2.3.js similarity index 100% rename from Chapter 02/Exercise 2.3 rename to Chapter 02/Exercise_2.3.js diff --git a/Chapter 02/Exercise 2.4 b/Chapter 02/Exercise_2.4.js similarity index 100% rename from Chapter 02/Exercise 2.4 rename to Chapter 02/Exercise_2.4.js diff --git a/Chapter 02/Project 1 b/Chapter 02/Project_1.js similarity index 100% rename from Chapter 02/Project 1 rename to Chapter 02/Project_1.js diff --git a/Chapter 02/Project 2 b/Chapter 02/Project_2.js similarity index 100% rename from Chapter 02/Project 2 rename to Chapter 02/Project_2.js