update to internal commit 7a439168

Author: DMGithubPublisher

programming/objectivec-swift/user-guide.md

@@ -30,7 +30,7 @@ There are three ways to add the SDK into your project - **Manually**, via **Coco
 
 2. In the top-right section of the window, search "https://github.com/Dynamsoft/barcode-reader-spm"
 
-3. Select `barcode-reader-spm`, choose `Exact version`, enter **10.4.2000**, then click **Add Package**, then click **Add Package**.
+3. Select `barcode-reader-spm`, choose `Exact version`, enter **10.4.2000**, then click **Add Package**.
 
 4. Check all the **xcframeworks** and add.