diff --git a/app/build.gradle b/app/build.gradle
index 4b19fd06bd..bb228c050d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -97,6 +97,7 @@ android {
 
     compileOptions {
         // https://developer.android.com/studio/write/java8-support#groovy
+        // sudo update-alternatives --install /usr/bin/java java /usr/local/android-studio/jbr/bin/java 1
         coreLibraryDesugaringEnabled true
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8