Update README.md

Author: mlejva

template/README.md

@@ -4,7 +4,7 @@ If you want to customize the Code Interprerter sandbox (e.g.: add a preinstlled
 
 1. Create custom sandbox by following [this guide](https://e2b.dev/docs/guide/custom-sandbox)
 
-2. Use prebuilt [E2B Code Interpreter image](https://hub.docker.com/r/e2bdev/code-interpreter). Add this to your `e2b.Dockerfile`
+2. Use prebuilt [E2B Code Interpreter image](https://hub.docker.com/r/e2bdev/code-interpreter) by add the following to your `e2b.Dockerfile`
 
     ```Dockerfile
     FROM e2bdev/code-interpreter:latest