diff --git a/src/examples/ram-func/main.go b/src/examples/ram-func/main.go
index b4556c19..6c445a48 100644
--- a/src/examples/ram-func/main.go
+++ b/src/examples/ram-func/main.go
@@ -83,7 +83,7 @@ func in_ram() uintptr {
 	return device.AsmFull("MOV {}, PC", nil)
 }
 
-// go:noinline used here to prevent function being 'inlined' into main()
+// 'go:noinline' used here to prevent function being 'inlined' into main()
 // so it appears in objdump output.  In normal use, go:inline is not
 // required for functions running from flash (flash is the default).
 //
diff --git a/src/runtime/volatile/bitband_nxpmk66f18.go b/src/runtime/volatile/bitband_nxpmk66f18.go
index 6ad507f8..289596ba 100644
--- a/src/runtime/volatile/bitband_nxpmk66f18.go
+++ b/src/runtime/volatile/bitband_nxpmk66f18.go
@@ -51,7 +51,7 @@ func (r *BitRegister) Set(v bool) {
 // if R is not an AIPS or GPIO register or if N is out of range (greater than
 // the number of bits in a register minus one).
 //
-// go:inline
+//go:inline
 func (r *Register8) Bit(bit uint8) *BitRegister {
 	ptr := bitbandAddress(uintptr(unsafe.Pointer(&r.Reg)), bit)
 	return (*BitRegister)(unsafe.Pointer(ptr))
@@ -61,7 +61,7 @@ func (r *Register8) Bit(bit uint8) *BitRegister {
 // if R is not an AIPS or GPIO register or if N is out of range (greater than
 // the number of bits in a register minus one).
 //
-// go:inline
+//go:inline
 func (r *Register16) Bit(bit uint8) *BitRegister {
 	ptr := bitbandAddress(uintptr(unsafe.Pointer(&r.Reg)), bit)
 	return (*BitRegister)(unsafe.Pointer(ptr))
@@ -71,7 +71,7 @@ func (r *Register16) Bit(bit uint8) *BitRegister {
 // if R is not an AIPS or GPIO register or if N is out of range (greater than
 // the number of bits in a register minus one).
 //
-// go:inline
+//go:inline
 func (r *Register32) Bit(bit uint8) *BitRegister {
 	ptr := bitbandAddress(uintptr(unsafe.Pointer(&r.Reg)), bit)
 	return (*BitRegister)(unsafe.Pointer(ptr))
diff --git a/src/runtime/volatile/register.go b/src/runtime/volatile/register.go
index 62c5e63f..d89bb6fa 100644
--- a/src/runtime/volatile/register.go
+++ b/src/runtime/volatile/register.go
@@ -62,7 +62,7 @@ func (r *Register8) HasBits(value uint8) bool {
 //
 //	r.Reg = (r.Reg & ^(mask << pos)) | value << pos
 //
-// go:inline
+//go:inline
 func (r *Register8) ReplaceBits(value uint8, mask uint8, pos uint8) {
 	StoreUint8(&r.Reg, LoadUint8(&r.Reg)&^(mask<<pos)|value<<pos)
 }
@@ -124,7 +124,7 @@ func (r *Register16) HasBits(value uint16) bool {
 //
 //	r.Reg = (r.Reg & ^(mask << pos)) | value << pos
 //
-// go:inline
+//go:inline
 func (r *Register16) ReplaceBits(value uint16, mask uint16, pos uint8) {
 	StoreUint16(&r.Reg, LoadUint16(&r.Reg)&^(mask<<pos)|value<<pos)
 }
@@ -186,7 +186,7 @@ func (r *Register32) HasBits(value uint32) bool {
 //
 //	r.Reg = (r.Reg & ^(mask << pos)) | value << pos
 //
-// go:inline
+//go:inline
 func (r *Register32) ReplaceBits(value uint32, mask uint32, pos uint8) {
 	StoreUint32(&r.Reg, LoadUint32(&r.Reg)&^(mask<<pos)|value<<pos)
 }
@@ -248,7 +248,7 @@ func (r *Register64) HasBits(value uint64) bool {
 //
 //	r.Reg = (r.Reg & ^(mask << pos)) | value << pos
 //
-// go:inline
+//go:inline
 func (r *Register64) ReplaceBits(value uint64, mask uint64, pos uint8) {
 	StoreUint64(&r.Reg, LoadUint64(&r.Reg)&^(mask<<pos)|value<<pos)
 }