Merge pull request #53 from dynamsoft-docs/preview

Preview

Author: Dynamsoft-Henry

programming/ios/samples/helloworld.md

@@ -13,7 +13,7 @@ The iOS Helloworld sample illustrates how to create the simplest video streaming
 
 View the samples
 
-- <a href="https://github.com/Dynamsoft/document-normalizer-mobile-samples/tree/main/ios/Objective-C/HelloWorldObjC/" target="_blank">Objective-C (iOS) HelloWorld</a>
-- <a href="https://github.com/Dynamsoft/document-normalizer-mobile-samples/tree/main/ios/Swift/HelloWorldSwift/" target="_blank">Swift (iOS) HelloWorld</a>
+- <a href="https://github.com/Dynamsoft/document-normalizer-mobile-samples/tree/main/ios/Objective-C/HelloWorld/" target="_blank">Objective-C (iOS) HelloWorld</a>
+- <a href="https://github.com/Dynamsoft/document-normalizer-mobile-samples/tree/main/ios/Swift/HelloWorld/" target="_blank">Swift (iOS) HelloWorld</a>
 
 For more details about how to get started with Dynamsoft Document Normalizer, please view the [user guide]({{ site.ios }}user-guide.html).

programming/xamarin/user-guide.md

@@ -60,7 +60,7 @@ Now you will learn how to create a simple document scanner using Dynamsoft Docum
 
 ### Set up Development Environment
 
-If you are a beginner with Xamarin, please follow the guide on the <a href="https://dotnet.microsoft.com/en-us/learn/xamarin/hello-world-tutorial/install" target="_blank">Xamarin official website</a> to set up the development environment.
+If you are a beginner with Xamarin, please follow the guide on the <a href="https://learn.microsoft.com/en-us/xamarin/get-started/installation/" target="_blank">Xamarin official website</a> to set up the development environment.
 
 ### Initialize the Project