Fixes for release

Closes #69

Author: nhooyr

README.md

@@ -115,11 +115,10 @@ which makes it easy to use correctly.
 
 Furthermore, nhooyr/websocket has support for newer Go idioms such as context.Context and
 also uses net/http's Client and ResponseWriter directly for WebSocket handshakes.
-gorilla/websocket writes its handshakes directly to a net.Conn which means
+gorilla/websocket writes its handshakes to the underlying net.Conn which means
 it has to reinvent hooks for TLS and proxying and prevents support of HTTP/2.
 
-Another advantage of nhooyr/websocket is that it supports multiple concurrent writers out
-of the box.
+Another advantage of nhooyr/websocket is that it supports concurrent writers out of the box.
 
 ### x/net/websocket