diff --git a/src/main/java/org/opensearch/performanceanalyzer/reader/SearchBackPressureMetricsSnapShot.java b/src/main/java/org/opensearch/performanceanalyzer/reader/SearchBackPressureMetricsSnapShot.java
index 1f1a05ea7..bcf5c09ad 100644
--- a/src/main/java/org/opensearch/performanceanalyzer/reader/SearchBackPressureMetricsSnapShot.java
+++ b/src/main/java/org/opensearch/performanceanalyzer/reader/SearchBackPressureMetricsSnapShot.java
@@ -20,6 +20,10 @@
 import org.jooq.impl.DSL;
 import org.opensearch.performanceanalyzer.commons.metrics.AllMetrics;
 
+/*
+ * SearchBackPressure cluster/node-level RCA would consume these data in the snapshots and determine whether the search back pressure service
+ *  has cancelled too much/ too less requests, by comparing with predefined threshold.
+ */
 public class SearchBackPressureMetricsSnapShot implements Removable {
 
     // Logger for current class