diff --git a/README.md b/README.md
index c2c6e348c..4f2be444c 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
 # e3372h-vendor-src
 Huawei E3372h source code from the  http://consumer.huawei.com/en/support/downloads/detail/index.htm?id=56443.
 
+Please note that provided sources are not complete, some parts are missing completely and some are just stabs to avoid compilation failure, so do not try to use it on a real device.