diff --git a/java/Android.mk b/java/Android.mk
index 0aac3f05d..fd71d82e0 100644
--- a/java/Android.mk
+++ b/java/Android.mk
@@ -23,7 +23,9 @@ LOCAL_PACKAGE_NAME := LatinIME
 
 LOCAL_CERTIFICATE := shared
 
+# We want to package libjni_latinime.so into the apk.
 LOCAL_JNI_SHARED_LIBRARIES := libjni_latinime
+# We want to install libjni_latinime.so to the system partition if LatinIME gets installed.
 LOCAL_REQUIRED_MODULES := libjni_latinime
 
 LOCAL_STATIC_JAVA_LIBRARIES := android-common