diff --git a/src/hash/crc32/crc32_table_ppc64le.s b/src/hash/crc32/crc32_table_ppc64le.s
index 453df12df4c..eb9ab31a041 100644
--- a/src/hash/crc32/crc32_table_ppc64le.s
+++ b/src/hash/crc32/crc32_table_ppc64le.s
@@ -1,5 +1,4 @@
-// autogenerated: do not edit!
-// generated from crc32/gen_const_ppc64le.go
+// Code generated by "go run gen_const_ppc64le.go"; DO NOT EDIT.
 
 #include "textflag.h"
 
diff --git a/src/hash/crc32/gen.go b/src/hash/crc32/gen.go
new file mode 100644
index 00000000000..fb3040a7dca
--- /dev/null
+++ b/src/hash/crc32/gen.go
@@ -0,0 +1,7 @@
+// Copyright 2023 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:generate go run gen_const_ppc64le.go
+
+package crc32
diff --git a/src/hash/crc32/gen_const_ppc64le.go b/src/hash/crc32/gen_const_ppc64le.go
index 4c1b79579fa..9e51328118d 100644
--- a/src/hash/crc32/gen_const_ppc64le.go
+++ b/src/hash/crc32/gen_const_ppc64le.go
@@ -89,10 +89,10 @@ func xnmodp(n uint, poly uint64, deg uint) (uint64, uint64) {
 func main() {
 	w := new(bytes.Buffer)
 
-	fmt.Fprintf(w, "// autogenerated: do not edit!\n")
-	fmt.Fprintf(w, "// generated from crc32/gen_const_ppc64le.go\n")
+	// Standard: https://go.dev/s/generatedcode
+	fmt.Fprintln(w, `// Code generated by "go run gen_const_ppc64le.go"; DO NOT EDIT.`)
 	fmt.Fprintln(w)
-	fmt.Fprintf(w, "#include \"textflag.h\"\n")
+	fmt.Fprintln(w, `#include "textflag.h"`)
 
 	// These are the polynomials supported in vector now.
 	// If adding others, include the polynomial and a name
@@ -105,7 +105,7 @@ func main() {
 
 	err := os.WriteFile("crc32_table_ppc64le.s", b, 0666)
 	if err != nil {
-		fmt.Printf("can't write output: %s\n", err)
+		fmt.Fprintf(os.Stderr, "can't write output: %s\n", err)
 	}
 }