Specify that the state refers to the passed transaction (#468)

Author: stelar7

index.bs

@@ -5217,7 +5217,7 @@ To <dfn>commit a transaction</dfn> with the |transaction| to commit, run these s
 
 To <dfn>abort a transaction</dfn> with the |transaction| to abort, and |error|, run these steps:
 
-1. If [=transaction/state=] is [=transaction/finished=], abort these steps.
+1. If |transaction|'s [=transaction/state=] is [=transaction/finished=], abort these steps.
 
 1. All the changes made to the [=/database=] by the [=/transaction=]
     are reverted. For [=/upgrade transactions=] this includes changes