diff --git a/src/encoding/json/jsontext/state.go b/src/encoding/json/jsontext/state.go
index 538dfe32bfa..e93057a34c5 100644
--- a/src/encoding/json/jsontext/state.go
+++ b/src/encoding/json/jsontext/state.go
@@ -24,7 +24,8 @@ import (
 // The name of a duplicate JSON object member can be extracted as:
 //
 //	err := ...
-//	if serr, ok := errors.AsType[jsontext.SyntacticError](err); ok && serr.Err == jsontext.ErrDuplicateName {
+//	serr, ok := errors.AsType[*jsontext.SyntacticError](err)
+//	if ok && serr.Err == jsontext.ErrDuplicateName {
 //		ptr := serr.JSONPointer // JSON pointer to duplicate name
 //		name := ptr.LastToken() // duplicate name itself
 //		...
diff --git a/src/encoding/json/v2/errors.go b/src/encoding/json/v2/errors.go
index 4421f8b821c..4895386fe2c 100644
--- a/src/encoding/json/v2/errors.go
+++ b/src/encoding/json/v2/errors.go
@@ -29,7 +29,8 @@ import (
 // The name of an unknown JSON object member can be extracted as:
 //
 //	err := ...
-//	if serr, ok := errors.AsType[json.SemanticError](err); ok && serr.Err == json.ErrUnknownName {
+//	serr, ok := errors.AsType[*json.SemanticError](err)
+//	if ok && serr.Err == json.ErrUnknownName {
 //		ptr := serr.JSONPointer // JSON pointer to unknown name
 //		name := ptr.LastToken() // unknown name itself
 //		...
diff --git a/src/encoding/json/v2/example_test.go b/src/encoding/json/v2/example_test.go
index 6d539bbd36b..dc1f06674ce 100644
--- a/src/encoding/json/v2/example_test.go
+++ b/src/encoding/json/v2/example_test.go
@@ -371,7 +371,8 @@ func Example_unknownMembers() {
 	// Specifying RejectUnknownMembers causes Unmarshal
 	// to reject the presence of any unknown members.
 	err = json.Unmarshal([]byte(input), new(Color), json.RejectUnknownMembers(true))
-	if serr, ok := errors.AsType[*json.SemanticError](err); ok && serr.Err == json.ErrUnknownName {
+	serr, ok := errors.AsType[*json.SemanticError](err)
+	if ok && serr.Err == json.ErrUnknownName {
 		fmt.Println("Unmarshal error:", serr.Err, strconv.Quote(serr.JSONPointer.LastToken()))
 	}