net/mail: fix minor doc typo.

R=golang-dev, minux.ma
CC=golang-dev
https://golang.org/cl/15510043

diff --git a/src/pkg/net/mail/message.go b/src/pkg/net/mail/message.go
index 3a4994804a9f7b51698a3d3e013c5663eeb50114..dc2ab44dab247c0e5eb1b2329a99fe70130da9d0 100644 (file)
--- a/src/pkg/net/mail/message.go
+++ b/src/pkg/net/mail/message.go
@@ -521,7 +521,7 @@ func isAtext(c byte, dot bool) bool {
        return bytes.IndexByte(atextChars, c) >= 0
 }
 
-// isQtext returns true if c is an RFC 5322 qtest character.
+// isQtext returns true if c is an RFC 5322 qtext character.
 func isQtext(c byte) bool {
        // Printable US-ASCII, excluding backslash or quote.
        if c == '\\' || c == '"' {