Update DEVELOPING.md

Co-authored-by: Kiryl Dzehtsiarenka <kiryl.dzehtsiarenka@mapbox.com>

DEVELOPING.md

@@ -30,7 +30,7 @@ The only requirement is to install the latest version of
 [`sdkmanager`](https://developer.android.com/studio/command-line/sdkmanager) command line or
 through the GUI interface to make sure the extra requirements to build Android are met.
 
-Note: We use Android gradle plugin v7.0+ to build the project, which requires JDK 11.
+Note: Android Gradle Plugin v7.0+ is used to build the project. That requires JDK 11 or higher installed and `JAVA_HOME` environment variable pointing on it.
 when building project, make sure you have JDK 11 installed and set it as JAVA_HOME variable.
 If you need more help, follow the guide [`how to set JDK 11.`](https://developer.android.com/studio/releases/gradle-plugin#jdk-11)