diff --git a/libsrc/runtime/ldptr1sp.s b/libsrc/runtime/ldptr1sp.s
index 549568923..998190246 100644
--- a/libsrc/runtime/ldptr1sp.s
+++ b/libsrc/runtime/ldptr1sp.s
@@ -1,5 +1,5 @@
 ;
-; Ullrich von Bassewitz, 31.08.1998
+; Colin Leroy-Mira, 2025-07-26
 ;
 ; CC65 runtime: Load ptr1 from offset in stack
 ;