diff --git a/README.md b/README.md
index 3eb8e311..e6386320 100644
--- a/README.md
+++ b/README.md
@@ -5,3 +5,9 @@ Mastodon client app for Android
 
 on Play store:
 https://play.google.com/store/apps/details?id=jp.juggler.subwaytooter
+
+## Notice: About EmojiOne license.
+This app includes emojione-android.ttf came from https://github.com/Ranks/emojione .
+EmojiOne's free license requires attribution and link for each page/content, 
+but this app has no space to place it.
+I have purchased a premium license, but that right probably will not apply to the forked product.