diff --git a/dagsync/ipnisync/publisher.go b/dagsync/ipnisync/publisher.go
index 6a2d3f4..0f0297e 100644
--- a/dagsync/ipnisync/publisher.go
+++ b/dagsync/ipnisync/publisher.go
@@ -44,9 +44,8 @@ var _ http.Handler = (*Publisher)(nil)
 // host can be provided to serve HTTP over libp2p.
 //
 // If the publisher receives a request that contains a valid CidSchemaHeader
-// header, then the ipld.Context passed to the lsys Load function will contain
-// a context that has a request type hint that can be extracted using
-// CtxCidSchemaType.
+// header, then the ipld.Context passed to the lsys Load function contains a
+// context that has that header's value stored under the CidSchemaCtxKey key.
 func NewPublisher(lsys ipld.LinkSystem, privKey ic.PrivKey, options ...Option) (*Publisher, error) {
 	opts, err := getOpts(options)
 	if err != nil {