pkp#8710 Updated comments

classes/submission/Collector.php

@@ -517,6 +517,7 @@ public function getQueryBuilder(): Builder
                 ->whereIn('pc.category_id', $this->categoryIds);
         }
 
+        // Filter by is reviewed by
         if ($this->isReviewedBy !== null) {
             // TODO consider review round and other criteria; refactor query builder to use ->when
             $q->when($this->isReviewedBy === self::UNASSIGNED, function (Builder $q) {
@@ -527,12 +528,13 @@ public function getQueryBuilder(): Builder
         }
 
         // By any child pub object's DOI status
+        // Filter by any child pub object's DOI status
         $q->when($this->doiStatuses !== null, fn (Builder $q) => $this->addDoiStatusFilterToQuery($q));
 
-        // By whether any child pub objects have DOIs assigned
+        // Filter by whether any child pub objects have DOIs assigned
         $q->when($this->hasDois !== null, fn (Builder $q) => $this->addHasDoisFilterToQuery($q));
 
-        // By whether any child pub objects have DOIs assigned
+        // Filter out excluded submission IDs
         $q->when($this->excludeIds !== null, fn (Builder $q) => $q->whereNotIn('s.submission_id', $this->excludeIds));
 
         // Limit and offset results for pagination