1 files changed, 2 insertions, 1 deletions

diff --git a/docs/message_retention_policies.md b/docs/message_retention_policies.md

index 8c88f93935..7f3e5359f1 100644
--- a/docs/message_retention_policies.md
+++ b/docs/message_retention_policies.md
@@ -8,7 +8,8 @@ and allow server and room admins to configure how long messages should
 be kept in a homeserver's database before being purged from it.
 **Please note that, as this feature isn't part of the Matrix
 specification yet, this implementation is to be considered as
-experimental.** 
+experimental. There are known bugs which may cause database corruption.
+Proceed with caution.** 
 
 A message retention policy is mainly defined by its `max_lifetime`
 parameter, which defines how long a message can be kept around after