Fix grammar

Author: wallin

src/connections/destinations/catalog/castle/index.md

@@ -30,7 +30,7 @@ Calls are now visible in Castle dashboards in real-time.
 
 	- With Xcode:
 
-      In the Xcode **File** menu, click **Add Packages**. In the resulting dialog dialog where you can search for Swift packages. In the search field, enter the URL to this repository: `https://github.com/castle/analytics-ios-integration-castle`
+      In the Xcode **File** menu, click **Add Packages**. In the resulting dialog where you can search for Swift packages, enter the following repository URL: `https://github.com/castle/analytics-ios-integration-castle`
 
 
       You can optionally pin the package to a specific branch or version, and select the project in your workspace to which you'll add the package. When you're done, click **Add Package**.