Loosen shuffling implication

Author: apasel422

index.bs

@@ -4678,7 +4678,7 @@ To <dfn>queue reports for delivery</dfn> given a [=set=] of
     1. [=list/Append=] |report| to |reportsToSend|.
 1. [=shuffle a list|Shuffle=] |reportsToSend|.
 
-    <p class=note>Shuffling ensures [=event-level reports=] for the same source with the same [=attribution report/report time=] are never sent
+    <p class=note>Shuffling ensures that [=event-level reports=] for the same source with the same [=attribution report/report time=] are not necessarily sent
      in the order they were created. This results in less information gained from a single [=attribution source=].
 1. [=set/iterate|For each=] |report| of |reportsToSend|, run the following steps [=in parallel=]:
     1. Wait an [=implementation-defined=] random non-negative [=duration=].