clarify code block that is not run and break out nano steps

episodes/04-changes.md

@@ -579,10 +579,10 @@ Two important facts you should know about directories in Git.
   in otherwise empty directories. The sole purpose of `.gitkeep` files is to populate a directory so that Git adds it to the repository. The name `.gitkeep` is just a convention, and in fact, you can name these files anything you like.
 
 2. If you create a directory in your Git repository and populate it with files,
-  you can add all files in the directory at once by:
+  you can add all files in the directory at once by using this command syntax:
 
-  ```bash
-  $ git add <directory-with-files>
+  ```
+  git add <directory-with-files>
   ```
 
   Try it for yourself:

episodes/06-ignore.md

@@ -55,6 +55,20 @@ We do this by creating a file in the root directory of our project called `.giti
 
 ```bash
 $ nano .gitignore
+```
+
+Type the text below into the `.gitignore` file:
+
+```
+*.png
+receipts/
+```
+
+Save the file and exit your editor.
+
+Verify that the file contains the files to ignore.
+
+```bash
 $ cat .gitignore
 ```