Fix documentation typo for SetClosedHandler

nats.go

@@ -1191,7 +1191,7 @@ func (nc *Conn) SetDiscoveredServersHandler(dscb ConnHandler) {
 	nc.Opts.DiscoveredServersCB = dscb
 }
 
-// SetClosedHandler will set the reconnect event handler.
+// SetClosedHandler will set the closed event handler.
 func (nc *Conn) SetClosedHandler(cb ConnHandler) {
 	if nc == nil {
 		return