diff --git a/doc/FAQ.md b/doc/FAQ.md
index 1a4dbe9e..c6445c72 100644
--- a/doc/FAQ.md
+++ b/doc/FAQ.md
@@ -37,3 +37,5 @@ There are no npm modules yet published for Hydrogen. The easiest is probably to
 For example, for a single room chat, you could create an instance of `Platform`, you create a new `SessionContainer` with it, call `startWithLogin` on it, observe `sessionContainer.loadStatus` to know when initial sync is done, then do `sessionContainer.session.rooms.get('roomid')` and you create a `RoomViewModel` with it and pass that to a `RoomView`. Then you call `document.appendChild(roomView.mount())` and you should see a syncing room.
 
 Feel free to ask for pointers in #hydrogen:matrix.org as the documentation is still lacking considerably. Note that at this early, pre 1.0 stage of the project, there is no promise of API stability yet.
+
+Also, to make end-to-end encryption work, you'll likely need some tweaks to your build system, see [this issue](https://github.com/vector-im/hydrogen-web/issues/467).