diff --git a/20_Day_Writing_clean_codes/20_day_writing_clean_codes.md b/20_Day_Writing_clean_codes/20_day_writing_clean_codes.md
index 8579b6b..e0f4777 100644
--- a/20_Day_Writing_clean_codes/20_day_writing_clean_codes.md
+++ b/20_Day_Writing_clean_codes/20_day_writing_clean_codes.md
@@ -42,7 +42,7 @@
 
 A JavaScript style guide is a set of standards that tells how JavaScript code should be written and organized. In this section, we will talk about JavaScript guides and how to write a clean code.
 
-JavaScript is a programming language and like human language it has syntax. The syntax of JavaScript has to be written following a certain style guideline for sake of convince and simplicity.
+JavaScript is a programming language and like human language it has syntax. The syntax of JavaScript has to be written following a certain style guideline for sake of convenience and simplicity.
 
 ### Why we need style guide