Update README.md

Author: maximegris

Diff for: README.md

@@ -92,7 +92,7 @@ E2E Test scripts can be found in `e2e` folder.
 |--|--|
 |`npm run e2e`| Execute end to end tests |
 
-Note: To make it work behind a proxy, you can add this proxy exeption in your terminal  
+Note: To make it work behind a proxy, you can add this proxy exception in your terminal  
 `export {no_proxy,NO_PROXY}="127.0.0.1,localhost"`
 
 ## Branch & Packages version