Update core.dungeon.json

en_us/core.dungeon.json

@@ -2,7 +2,7 @@
 	"I have finally understood the purpose of the Core Fragments that I have been finding. They are the remnants of ancient quantum cores!",
 	"Using some new parts, I am able to reconstruct and reassemble them to produce a fully functional core. This reconstructed core should be slightly more powerful then any of my own, already existing cores.",
 	"Assembly:",
-	{"link":"fp:lang/part/as_core.dungeon.json"}
+	{"link":"fp:lang/part/as_core.dungeon.json"},
 
 	"Hint: Refer to \"Standard Core\" for general information on cores."
 ]