diff --git a/coordinator/src/main/scala/filodb.coordinator/queryplanner/MultiPartitionPlanner.scala b/coordinator/src/main/scala/filodb.coordinator/queryplanner/MultiPartitionPlanner.scala
index 2dfc0716c..877efac86 100644
--- a/coordinator/src/main/scala/filodb.coordinator/queryplanner/MultiPartitionPlanner.scala
+++ b/coordinator/src/main/scala/filodb.coordinator/queryplanner/MultiPartitionPlanner.scala
@@ -726,6 +726,7 @@ class MultiPartitionPlanner(val partitionLocationProvider: PartitionLocationProv
             case None           => (lastTimeRange.endMs, timeRange.endMs)
           }
           if (gapStartTimeMs <= gapEndTimeMs){
+            // Check if there is a gap
             val newParams = qParams.copy(startSecs = gapStartTimeMs / 1000, endSecs = gapEndTimeMs / 1000)
             val newContext = qContext.copy(origQueryParams = newParams)
             val newLp = rewritePlanWithRemoteRawExport(logicalPlan,