Apply suggestions from code review

Co-authored-by: Anne van Kesteren <[email protected]>

Author: domenic

index.bs

@@ -5306,15 +5306,15 @@ null.
 
     1.  Set [=this=]'s [=DOMException/message=] to |message|.
 
-    1.  If |options|["{{QuotaExceededErrorOptions/quota}}"] is present, then:
+    1.  If |options|["{{QuotaExceededErrorOptions/quota}}"] is present:
 
         1.  If |options|["{{QuotaExceededErrorOptions/quota}}"] is less than 0, then throw a
             {{RangeError}}.
 
         1.  Set [=this=]'s [=QuotaExceededError/quota=] to
             |options|["{{QuotaExceededErrorOptions/quota}}"].
 
-    1.  If |options|["{{QuotaExceededErrorOptions/requested}}"] is present, then:
+    1.  If |options|["{{QuotaExceededErrorOptions/requested}}"] is present:
 
         1.  If |options|["{{QuotaExceededErrorOptions/requested}}"] is less than 0, then throw a
             {{RangeError}}.