diff --git a/addon_firefox/bcma/README.md b/addon_firefox/bcma/README.md
index 945c9b46d..b0ded110e 100644
--- a/addon_firefox/bcma/README.md
+++ b/addon_firefox/bcma/README.md
@@ -1 +1,5 @@
-.
\ No newline at end of file
+This is a source code of BCMA's "*Block Cloudflare MITM Attack*".
+
+PRs are welcome.
+
+AMO: https://addons.mozilla.org/en-US/firefox/addon/bcma/
\ No newline at end of file