diff --git a/src/encoding/json/encode.go b/src/encoding/json/encode.go
index 09ecc9093ea..e09d7403b90 100644
--- a/src/encoding/json/encode.go
+++ b/src/encoding/json/encode.go
@@ -384,7 +384,8 @@ var (
 
 // newTypeEncoder constructs an encoderFunc for a type.
 // The returned encoder only checks CanAddr when allowAddr is true.
-func newTypeEncoder(t reflect.Type, allowAddr bool) encoderFunc { // If we have a non-pointer value whose type implements
+func newTypeEncoder(t reflect.Type, allowAddr bool) encoderFunc {
+	// If we have a non-pointer value whose type implements
 	// Marshaler with a value receiver, then we're better off taking
 	// the address of the value - otherwise we end up with an
 	// allocation as we cast the value to an interface.