diff --git a/docs/sdks/flutter/GETTING_STARTED.md b/docs/sdks/flutter/GETTING_STARTED.md
index b9b8dc3a47..110ee3eb4a 100644
--- a/docs/sdks/flutter/GETTING_STARTED.md
+++ b/docs/sdks/flutter/GETTING_STARTED.md
@@ -46,6 +46,8 @@ For **Linux** add your app <u>name</u> and <u>package name</u>, Your package nam
 ### Mac OS
 For **Mac OS** add your app name and Bundle ID, You can find your Bundle Identifier in the General tab for your app's primary target in Xcode.
 
+The Appwrite SDK uses ASWebAuthenticationSession on macOS 10.15+ to allow OAuth authentication. You have to change your macOS Deployment Target in Xcode to be macOS >= 10.15 to be able to build your app for macOS.
+
 ### Web
 Appwrite 0.7, and the Appwrite Flutter SDK 0.3.0 have added support for Flutter Web. To build web apps that integrate with Appwrite successfully, all you have to do is add a web platform on your Appwrite project's dashboard and list the domain your website will use to allow communication to the Appwrite API.