diff --git a/README.md b/README.md
index 42e2e63..e0b299f 100644
--- a/README.md
+++ b/README.md
@@ -195,7 +195,8 @@ Enable it on the `/style` page under "Forum". A "Forum" link will appear in the
 
 - Threads and posts are stored in `~/.tinyweb/forum.db` (separate from your search index)
 - Instances are discovered automatically via mesh announces — no manual setup needed
-- Content syncs between all discovered instances every 5 minutes
+- Content syncs between discovered instances every 5 minutes via epidemic gossip (20 random peers per cycle)
+- Scales to thousands of peers — content converges globally within ~O(log N) cycles
 - Authors are identified by a short pseudonymous identity hash (no accounts, no sign-up)
 - Auto-discovery can be disabled in the moderation page (manual sync only)
 - Threads are auto-pruned after 30 days (configurable, or set to 0 to keep everything)