diff --git a/docs/experimental-features.md b/docs/experimental-features.md
index 63cdbfcf3..34bc13954 100644
--- a/docs/experimental-features.md
+++ b/docs/experimental-features.md
@@ -45,7 +45,12 @@ run your daemon with the `--enable-pubsub-experiment` flag. Then use the
 
 ### gossipsub
 
-You can enable the new experimental gossipsub protocol via configuration:
+Gossipsub is a new, experimental routing protocol for pubsub that
+should waste less bandwidth than floodsub, the current pubsub
+protocol. It's backwards compatible with floodsub so enabling this
+feature shouldn't break compatibility with existing IPFS nodes.
+
+You can enable gossipsub via configuration:
 `ipfs config Pubsub.Router gossipsub`
 
 ### Road to being a real feature