netutil: imp docs

AdguardTeam · Oct 3, 2024 · c5ebb6a · c5ebb6a
1 parent 0749626
commit c5ebb6a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/netutil/ip.go b/netutil/ip.go
@@ -138,6 +138,8 @@ func IsValidIPString(s string) (ok bool) {
 	// maxSignificant is the maximum number of significant characters in a field
 	// of an IPv6 address.  There is no need to search for separator longer than
 	// this number of bytes.
+	//
+	// See https://www.rfc-editor.org/rfc/rfc4291#section-2.2.
 	const maxSignificant = 4
 
 	strLen := len(s)