diff --git a/backend.go b/backend.go
index cd7e8ce2..1f854c69 100644
--- a/backend.go
+++ b/backend.go
@@ -91,7 +91,7 @@ func (b *Backend) ReceiveStartupMessage() (FrontendMessage, error) {
 	}
 }
 
-// Receive receives a message from the frontend.
+// Receive receives a message from the frontend. The returned message is only valid until the next call to Receive.
 func (b *Backend) Receive() (FrontendMessage, error) {
 	if !b.partialMsg {
 		header, err := b.cr.Next(5)
diff --git a/frontend.go b/frontend.go
index 3298d7e6..b8f545ca 100644
--- a/frontend.go
+++ b/frontend.go
@@ -65,7 +65,7 @@ func translateEOFtoErrUnexpectedEOF(err error) error {
 	return err
 }
 
-// Receive receives a message from the backend.
+// Receive receives a message from the backend. The returned message is only valid until the next call to Receive.
 func (f *Frontend) Receive() (BackendMessage, error) {
 	if !f.partialMsg {
 		header, err := f.cr.Next(5)