diff --git a/samples/Inform 7/Trivial Extension.i7x b/samples/Inform 7/Trivial Extension.i7x
index 1ba8316d..8b7e14cd 100644
--- a/samples/Inform 7/Trivial Extension.i7x	
+++ b/samples/Inform 7/Trivial Extension.i7x	
@@ -55,7 +55,7 @@ Global cowcount;
 
 Object i6cow
 	with name 'cow' 'animal',
-	with description "It looks like a cow.";
+	with description "It looks like a cow.",
 	has animate scenery;
 
 -) after "Global Variables" in "Output.i6t".