diff --git a/README.md b/README.md
index 56f793eb6..b0746b0a8 100644
--- a/README.md
+++ b/README.md
@@ -47,3 +47,6 @@ PrusaSlicer is licensed under the GNU Affero General Public License, version 3.
 Slic3r is licensed under the GNU Affero General Public License, version 3. Slic3r was created by Alessandro Ranellucci with the help of many other contributors.
 
 The GNU Affero General Public License, version 3 ensures that if you use any part of this software in any way (even behind a web server), your software must be released under the same license.
+
+The BambuNetworking and BambuTunnel plugins are based on non-free libraries. They are optional to the Bambu Studio and provides extended functionalities for users.
+