net/http: clarify ErrBodyNotAllowed error message

It's usually due to writing on HEAD requests.

R=golang-dev, rsc, r, r
CC=golang-dev
https://golang.org/cl/6206106

diff --git a/src/pkg/net/http/server.go b/src/pkg/net/http/server.go
index 727313d630a9320aca512463e7a6657a50a4d8ad..fb44b7636155a12fcd32fd976a5cc299b7bddab9 100644 (file)
--- a/src/pkg/net/http/server.go
+++ b/src/pkg/net/http/server.go
@@ -31,7 +31,7 @@ import (
 // Errors introduced by the HTTP server.
 var (
        ErrWriteAfterFlush = errors.New("Conn.Write called after Flush")
-       ErrBodyNotAllowed  = errors.New("http: response status code does not allow body")
+       ErrBodyNotAllowed  = errors.New("http: request method or response status code does not allow body")
        ErrHijacked        = errors.New("Conn has been hijacked")
        ErrContentLength   = errors.New("Conn.Write wrote more than the declared Content-Length")
 )