diff --git a/README.md b/README.md
index 71bccb32245b9f7eff95adf52f6b1fe117945fcb..78f3edfdb5c2cf2ead0aa7030265d73c38fa8bd3 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,8 @@ Help us with translations so as many people as possible will be able to use nhek
 
 The current implementation works in most cases, but you may need to bootstrap
 your cross-signing keys in a different client. The implementation may also still
-have bugs, so don't rely on it for security. Most cases should be fine though.
+have bugs, so don't rely on it for security. Online keybackup isn't supported,
+but you can use offline keybackup. Most other cases should be fine though.
 
 ## Features