1 files changed, 2 insertions, 1 deletions
diff --git a/errors.go b/errors.go
index 516018c..da9de4d 100644
--- a/errors.go
+++ b/errors.go
@@ -142,7 +142,8 @@ func (e *EncodeWriteError) Unwrap() error { return e.Err }
 type EncodeTypeError = json.UnsupportedTypeError
 
 // An EncodeValueError is returned by Encode when attempting to encode
-// an unsupported value (such as a datastructure with a cycle).
+// an unsupported value (such as a datastructure with a cycle, or (if
+// InvalidUTF8=InvalidUTF8Error) a string with invalid UTF-8).
 //
 //	type UnsupportedValueError struct {
 //	    Value reflect.Value