NT & CC Namefix (#6333)

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## Why It's Good For The Game
muh immursion!
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## Changelog
🆑
spellcheck: CentComm => Centcom
spellcheck: NanoTrasen => Nanotrasen
/🆑

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code/modules/admin/admin.dm

@@ -1526,7 +1526,7 @@ datum/admins/var/obj/item/paper/admin/faxreply // var to hold fax replies in
 
 		if(!P.stamped)
 			P.stamped = new
-		P.stamped += /obj/item/stamp/centcomm
+		P.stamped += /obj/item/stamp/centcom
 		P.add_overlay(stampoverlay)
 
 	var/obj/item/rcvdcopy