diff --git a/README.md b/README.md
index 6840991..46a1365 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@
     - [DispatchWorkItem](#DispatchWorkItem)
     - [Thread Sanitizer](#Thread-Sanitizer)
 - [Testing](#Testing)
+    - [Code Coverage](#Code-Coverage)
     - [Unit Test](#Unit-Test)
     - [UI Test](#UI-Test)
 - [Useful Stuff](#Useful-Stuff)
@@ -400,10 +401,14 @@ And then go to **RUN** and check **THREAD SANITIZER** 👈
 
 Before start your Testing, add coverage will be a good option to show the result of test
 
-### Add Test Coverage
+### Code Coverage
+
+First, check code coverage
 
 <img src ="https://github.com/jphong1111/Useful_Swift/blob/main/Images/addCoverage1.png" />
 
+Then, go to **EDIT SHEME**, check like this
+
 <img src ="https://github.com/jphong1111/Useful_Swift/blob/main/Images/addCoverage2.png" />
 
 ### Unit Test