Mark's name is Callow, not Callows
diff --git a/Modules/almodule.c b/Modules/almodule.c
index fae85f6..36cdedd 100644
--- a/Modules/almodule.c
+++ b/Modules/almodule.c
@@ -22,7 +22,7 @@
 
 ******************************************************************/
 
-/* AL module -- interface to Mark Callows' Audio Library (AL). */
+/* AL module -- interface to Mark Callow's Audio Library (AL). */
 
 #include "audio.h"