diff --git a/recipients_app/README.md b/recipients_app/README.md
index 83f6d59ff..a4b078545 100644
--- a/recipients_app/README.md
+++ b/recipients_app/README.md
@@ -32,7 +32,7 @@ Mobile App for Recipients of a Social Income.
     ```
   - Restart your terminal so that these changes take effect
 - Install Flutter
-  - Tell Flutter to not use the Java JDK from Android Studio via `flutter config --jdk-dir $JAVA_HOME`
+  - Tell Flutter to use our Java 17 JDK and not the one bundle with Android Studio via `flutter config --jdk-dir $JAVA_HOME`. Otherwise you will get the error "Unsupported class file major version 65” when building the app for Android.
   - Restart your terminal and IDE so that these changes take effect
 - Install vsCode
   - Install Flutter extension