Update doc.

Author: CalebRas

Documentation/ConfigureAppSecrets.md

@@ -12,7 +12,7 @@ Note: License strings are not required for development. Without licensing or lic
   touch .secrets
   ```
 
-2. Add your **License String** to the secrets file. Licensing the app will remove the 'Licensed for Developer Use Only' watermark. Licensing the app is optional in development but required for production. Add your **Extension License String** and **API Key** access token to the secrets file if needed. Learn more about how to [Get a license](https://developers.arcgis.com/swift/license-and-deployment/get-a-license/).
+2. Add your **License String** to the secrets file. Licensing the app will remove the 'Licensed for Developer Use Only' watermark. Licensing the app is optional in development but required for production. Add your **Extension License String** and **API Key** access token to the secrets file if needed. If the license string is set, an **Advanced Editing** extension will be required to access all the samples, such as those with utility network capabilities. Learn more about how to [Get a license](https://developers.arcgis.com/swift/license-and-deployment/get-a-license/).
 
   ```sh
   echo ARCGIS_LICENSE_KEY=your-license-key >> .secrets

Shared/SamplesApp.swift

@@ -38,9 +38,9 @@ extension SamplesApp {
     func license() {
         if let licenseStringLiteral = String.licenseKey,
            let licenseKey = LicenseKey(licenseStringLiteral) {
-            // Sets the license with an extension if one is included. An
-            // advanced editing extension is required to access all the samples,
-            // such as ones with utility network capabilities.
+            // Sets the license with an extension if one is included. Both are
+            // required to access all samples, including utility network
+            // capabilities.
             if let extensionLicenseStringLiteral = String.extensionLicenseKey,
                let extensionLicenseKey = LicenseKey(extensionLicenseStringLiteral) {
                 _ = try? ArcGISEnvironment.setLicense(