1 files changed, 2 insertions, 1 deletions

diff --git a/common/datastorequery.cpp b/common/datastorequery.cpp
index ad21910..f3d9415 100644
--- a/common/datastorequery.cpp
+++ b/common/datastorequery.cpp
@@ -303,8 +303,9 @@ public:
                 } else {
                     //During initial query, do nothing. The lookup above will take care of it.
                     //During updates adjust the reduction according to the modification/addition or removal
+                    //We have to redo the reduction for every element, because of the aggregation values.
                     if (mIncremental) {
-                        //redo the reduction
+                        //Redo the reduction to find new aggregated values
                         QMap<QByteArray, QVariant> aggregateValues;
                         auto selectionResult = reduceOnValue(reductionValue, aggregateValues);