Fix instruction to edit the index.md file

Author: parkerbxyz

responses/01_update-index.md

@@ -9,7 +9,7 @@ Your repository has an `index.md` file so we can update it to include your perso
 ### :keyboard: Activity: Create your homepage
 
 1. Navigate to the **Code** tab of this repository, and browse to the `index.md` file, or click this link [here]({{ repoUrl }}/blob/master/index.md)
-2. In the upper right corner, click the the icon to the right of the file to edit the `index.md` file
+2. In the upper right corner, click the ![octicon-pencil] icon to edit the `index.md` file
 3. Type the content you want on your homepage
 4. Scroll to the bottom, type a commit message, and click **Create a new branch for this commit and start a pull request**
 5. Open a pull request
@@ -18,3 +18,5 @@ Your repository has an `index.md` file so we can update it to include your perso
 
 <hr>
 <h3 align="center">Look for my next response in your pull request.</h3>
+
+[octicon-pencil]: https://unpkg.com/octicons/build/svg/pencil.svg