diff --git a/doc/cx16.sgml b/doc/cx16.sgml
index a73bb3c1e..490d07849 100644
--- a/doc/cx16.sgml
+++ b/doc/cx16.sgml
@@ -20,7 +20,7 @@ The Commander X16 is a modern small computer with firmware that is based partly
 on the ROMs in Commodore's VIC-20 and 64C.  It has a couple of I/O chips
 (WDC65C22 VIA) that are like the ones in the VIC-20.  It supports file storage
 on Secure Digital cards.  It allows two joysticks and a mouse.  It has three
-sound devices.  It's VGA screen has twice the range of the C64 (similar to the
+sound devices.  Its VGA screen has twice the range of the C64 (similar to the
 C128's 80-column screen), with 256 colors.
 
 This file contains an overview of the CX16 run-time system as it comes with the