diff --git a/slog/attr.go b/slog/attr.go
index 5878165d4..9e783d5d4 100644
--- a/slog/attr.go
+++ b/slog/attr.go
@@ -279,9 +279,9 @@ func (a1 Attr) Equal(a2 Attr) bool {
 	}
 }
 
-// AppendValue appends a text representation of the Attr's value to dst.
+// appendValue appends a text representation of the Attr's value to dst.
 // The value is formatted as with fmt.Sprint.
-func (a Attr) AppendValue(dst []byte) []byte {
+func (a Attr) appendValue(dst []byte) []byte {
 	switch a.Kind() {
 	case StringKind:
 		return append(dst, a.str()...)
diff --git a/slog/attr_safe.go b/slog/attr_safe.go
index 6dc614924..37d997d90 100644
--- a/slog/attr_safe.go
+++ b/slog/attr_safe.go
@@ -58,5 +58,5 @@ func (a Attr) String() string {
 		return a.str()
 	}
 	var buf []byte
-	return string(a.AppendValue(buf))
+	return string(a.appendValue(buf))
 }
diff --git a/slog/attr_unsafe.go b/slog/attr_unsafe.go
index 9e4d7eabf..1f46d6056 100644
--- a/slog/attr_unsafe.go
+++ b/slog/attr_unsafe.go
@@ -78,5 +78,5 @@ func (a Attr) String() string {
 		return s
 	}
 	var buf []byte
-	return string(a.AppendValue(buf))
+	return string(a.appendValue(buf))
 }
diff --git a/slog/text_handler.go b/slog/text_handler.go
index 14d7a3e24..b67a65094 100644
--- a/slog/text_handler.go
+++ b/slog/text_handler.go
@@ -136,7 +136,7 @@ func (ap *textAppender) appendAttrValue(a Attr) error {
 		}
 		ap.appendString(fmt.Sprint(a.Value()))
 	default:
-		*ap.buf() = a.AppendValue(*ap.buf())
+		*ap.buf() = a.appendValue(*ap.buf())
 	}
 	return nil
 }