diff --git a/src/net/http/cookiejar/jar.go b/src/net/http/cookiejar/jar.go
index 87c38ceba9..097c93a137 100644
--- a/src/net/http/cookiejar/jar.go
+++ b/src/net/http/cookiejar/jar.go
@@ -465,7 +465,7 @@ func (j *Jar) domainAndType(host, domain string) (string, bool, error) {
 		// dot in the domain-attribute before processing the cookie.
 		//
 		// Most browsers don't do that for IP addresses, only curl
-		// version 7.54) and and IE (version 11) do not reject a
+		// version 7.54) and IE (version 11) do not reject a
 		//     Set-Cookie: a=1; domain=.127.0.0.1
 		// This leading dot is optional and serves only as hint for
 		// humans to indicate that a cookie with "domain=.bbc.co.uk"