diff --git a/encoding/japanese/maketables.go b/encoding/japanese/maketables.go
index 8660097..d6c10de 100644
--- a/encoding/japanese/maketables.go
+++ b/encoding/japanese/maketables.go
@@ -29,7 +29,7 @@
 func main() {
 	fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n")
 	fmt.Printf("// Package japanese provides Japanese encodings such as EUC-JP and Shift JIS.\n")
-	fmt.Printf(`package japanese // import "golang.org/x/text/encoding/japanese"\n\n`)
+	fmt.Printf(`package japanese // import "golang.org/x/text/encoding/japanese"` + "\n\n")
 
 	reverse := [65536]entry{}
 	for i := range reverse {
diff --git a/encoding/korean/maketables.go b/encoding/korean/maketables.go
index b1bfb39..c84034f 100644
--- a/encoding/korean/maketables.go
+++ b/encoding/korean/maketables.go
@@ -21,7 +21,7 @@
 func main() {
 	fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n")
 	fmt.Printf("// Package korean provides Korean encodings such as EUC-KR.\n")
-	fmt.Printf(`package korean // import "golang.org/x/text/encoding/korean"\n\n`)
+	fmt.Printf(`package korean // import "golang.org/x/text/encoding/korean"` + "\n\n")
 
 	res, err := http.Get("http://encoding.spec.whatwg.org/index-euc-kr.txt")
 	if err != nil {
diff --git a/encoding/simplifiedchinese/maketables.go b/encoding/simplifiedchinese/maketables.go
index 4b1f0bd..55016c7 100644
--- a/encoding/simplifiedchinese/maketables.go
+++ b/encoding/simplifiedchinese/maketables.go
@@ -21,7 +21,7 @@
 func main() {
 	fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n")
 	fmt.Printf("// Package simplifiedchinese provides Simplified Chinese encodings such as GBK.\n")
-	fmt.Printf(`package simplifiedchinese // import "golang.org/x/text/encoding/simplifiedchinese"\n\n`)
+	fmt.Printf(`package simplifiedchinese // import "golang.org/x/text/encoding/simplifiedchinese"` + "\n\n")
 
 	printGB18030()
 	printGBK()
diff --git a/encoding/traditionalchinese/maketables.go b/encoding/traditionalchinese/maketables.go
index 3c39d02..cf7fdb3 100644
--- a/encoding/traditionalchinese/maketables.go
+++ b/encoding/traditionalchinese/maketables.go
@@ -21,7 +21,7 @@
 func main() {
 	fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n")
 	fmt.Printf("// Package traditionalchinese provides Traditional Chinese encodings such as Big5.\n")
-	fmt.Printf(`package traditionalchinese // import "golang.org/x/text/encoding/traditionalchinese"\n\n`)
+	fmt.Printf(`package traditionalchinese // import "golang.org/x/text/encoding/traditionalchinese"` + "\n\n")
 
 	res, err := http.Get("http://encoding.spec.whatwg.org/index-big5.txt")
 	if err != nil {