Update README.md

README.md

@@ -9,7 +9,9 @@ Add `Facebook App Devents` device mode support to your applications via this plu
 ### via Xcode
 In the Xcode `File` menu, click `Add Packages`.  You'll see a dialog where you can search for Swift packages.  In the search field, enter the URL to this repo.
 
+```
 https://github.com/segment-integrations/analytics-swift-facebook-app-events
+```
 
 You'll then have the option to pin to a version, or specific branch, as well as which project in your workspace to add it to.  Once you've made your selections, click the `Add Package` button.