diff --git a/src/runtime/cgo/callbacks_musl_linux.go b/src/runtime/cgo/callbacks_musl_linux.go
index e341a65a73e..305941817b3 100644
--- a/src/runtime/cgo/callbacks_musl_linux.go
+++ b/src/runtime/cgo/callbacks_musl_linux.go
@@ -1,4 +1,4 @@
-// Copyright 2016 The Go Authors. All rights reserved.
+// Copyright 2024 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.
 
@@ -8,7 +8,7 @@ package cgo
 
 import _ "unsafe" // for go:linkname
 
-// x_cgo_is_musl is set to 1 if the C library is musl.
+// x_cgo_is_musl returns 1 if the C library is musl.
 
 //go:cgo_import_static x_cgo_is_musl
 //go:linkname x_cgo_is_musl x_cgo_is_musl
diff --git a/src/runtime/cgo/gcc_musl_linux.c b/src/runtime/cgo/gcc_musl_linux.c
index 0f40398e0a0..82998f0afb1 100644
--- a/src/runtime/cgo/gcc_musl_linux.c
+++ b/src/runtime/cgo/gcc_musl_linux.c
@@ -1,4 +1,4 @@
-// Copyright 2009 The Go Authors. All rights reserved.
+// Copyright 2024 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.
 
diff --git a/src/runtime/cgo_musl_linux.go b/src/runtime/cgo_musl_linux.go
index 29856e1f558..470dfd64173 100644
--- a/src/runtime/cgo_musl_linux.go
+++ b/src/runtime/cgo_musl_linux.go
@@ -1,4 +1,4 @@
-// Copyright 2015 The Go Authors. All rights reserved.
+// Copyright 2024 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.
 
diff --git a/src/runtime/runtime1.go b/src/runtime/runtime1.go
index e39abbeffa8..7700799f2ab 100644
--- a/src/runtime/runtime1.go
+++ b/src/runtime/runtime1.go
@@ -119,7 +119,7 @@ func goenvs_unix() {
 //
 // Note: This function will return nil if the file cannot be opened.
 func readNullTerminatedStringsFromFile(path []byte) []string {
-	fd := open(&path[0], 0 /* O_RDONLY */, 0)
+	fd := open(&path[0], _O_RDONLY, 0)
 	if fd <= 0 {
 		return nil
 	}