diff --git a/src/main/kotlin/org/opensearch/reportsscheduler/ReportsSchedulerPlugin.kt b/src/main/kotlin/org/opensearch/reportsscheduler/ReportsSchedulerPlugin.kt
index 90b5859e..016a47d6 100644
--- a/src/main/kotlin/org/opensearch/reportsscheduler/ReportsSchedulerPlugin.kt
+++ b/src/main/kotlin/org/opensearch/reportsscheduler/ReportsSchedulerPlugin.kt
@@ -40,6 +40,7 @@ import org.opensearch.reportsscheduler.action.UpdateReportInstanceStatusAction
 import org.opensearch.reportsscheduler.index.ReportDefinitionsIndex
 import org.opensearch.reportsscheduler.index.ReportDefinitionsIndex.REPORT_DEFINITIONS_INDEX_NAME
 import org.opensearch.reportsscheduler.index.ReportInstancesIndex
+import org.opensearch.reportsscheduler.index.ReportInstancesIndex.REPORT_INSTANCES_INDEX_NAME
 import org.opensearch.reportsscheduler.resthandler.OnDemandReportRestHandler
 import org.opensearch.reportsscheduler.resthandler.ReportDefinitionListRestHandler
 import org.opensearch.reportsscheduler.resthandler.ReportDefinitionRestHandler
@@ -81,7 +82,8 @@ class ReportsSchedulerPlugin : Plugin(), ActionPlugin, SystemIndexPlugin, JobSch
 
     override fun getSystemIndexDescriptors(settings: Settings): Collection<SystemIndexDescriptor> {
         return listOf(
-            SystemIndexDescriptor(".opendistro-reports-*", "Reports Scheduler Plugin system index pattern")
+            SystemIndexDescriptor(REPORT_DEFINITIONS_INDEX_NAME, "Reports Scheduler Plugin Definitions index"),
+            SystemIndexDescriptor(REPORT_INSTANCES_INDEX_NAME, "Reports Scheduler Plugin Instances index")
         )
     }
 
diff --git a/src/main/kotlin/org/opensearch/reportsscheduler/index/ReportInstancesIndex.kt b/src/main/kotlin/org/opensearch/reportsscheduler/index/ReportInstancesIndex.kt
index a7e5303b..766b5f3e 100644
--- a/src/main/kotlin/org/opensearch/reportsscheduler/index/ReportInstancesIndex.kt
+++ b/src/main/kotlin/org/opensearch/reportsscheduler/index/ReportInstancesIndex.kt
@@ -38,7 +38,7 @@ import java.util.concurrent.TimeUnit
  */
 internal object ReportInstancesIndex {
     private val log by logger(ReportInstancesIndex::class.java)
-    private const val REPORT_INSTANCES_INDEX_NAME = ".opendistro-reports-instances"
+    const val REPORT_INSTANCES_INDEX_NAME = ".opendistro-reports-instances"
     private const val REPORT_INSTANCES_MAPPING_FILE_NAME = "report-instances-mapping.yml"
     private const val REPORT_INSTANCES_SETTINGS_FILE_NAME = "report-instances-settings.yml"