diff --git a/docs/qdev-device-use.txt b/docs/qdev-device-use.txt
index 057c322090..136d271120 100644
--- a/docs/qdev-device-use.txt
+++ b/docs/qdev-device-use.txt
@@ -208,7 +208,7 @@ LEGACY-CHARDEV translates to -chardev HOST-OPTS... as follows:
 
 * con: becomes -chardev console
 
-* COM<NUM> becomes -chardev serial,path=<NUM>
+* COM<NUM> becomes -chardev serial,path=COM<NUM>
 
 * file:FNAME becomes -chardev file,path=FNAME