link to guardsquare dexguard (#4891)

Author: bruno-garcia

src/platforms/android/common/proguard.mdx

@@ -4,9 +4,9 @@ sidebar_order: 100
 description: "Learn about using the Sentry Gradle Plugin or sentry-cli to upload ProGuard/R8 and DexGuard mappings to Sentry."
 ---
 
-If you want to see de-obfuscated stack traces, you'll need to use ProGuard with Sentry. To do so, upload the ProGuard mapping files by either the recommended method of using our [Gradle integration](/platforms/android/gradle/) or manually by using [sentry-cli](/product/cli/dif/#proguard-mapping-upload).
+If you want to see de-obfuscated stack traces, you'll need to use [ProGuard](https://www.guardsquare.com/proguard) with Sentry. To do so, upload the ProGuard mapping files by either the recommended method of using our [Gradle integration](/platforms/android/gradle/) or manually by using [sentry-cli](/product/cli/dif/#proguard-mapping-upload).
 
-Support for Guardsquare's ProGuard and DexGuard was added in version 3.0.0 of the [Sentry Android Gradle Plugin](/platforms/android/gradle/).
+Support for Guardsquare's ProGuard and [DexGuard](https://www.guardsquare.com/dexguard) was added in version 3.0.0 of the [Sentry Android Gradle Plugin](/platforms/android/gradle/).
 
 <Note>