diff --git a/opensearch/src/main/java/org/opensearch/sql/opensearch/data/utils/Content.java b/opensearch/src/main/java/org/opensearch/sql/opensearch/data/utils/Content.java
index 0fbd2d4f98..2cbfb5ba78 100644
--- a/opensearch/src/main/java/org/opensearch/sql/opensearch/data/utils/Content.java
+++ b/opensearch/src/main/java/org/opensearch/sql/opensearch/data/utils/Content.java
@@ -10,6 +10,7 @@
 import org.apache.commons.lang3.tuple.Pair;
 
 /**
+ *
  * Regardless the underling data format, the {@link Content} define the data in abstract manner.
  * which could be parsed by ElasticsearchExprValueFactory. There are two major use cases:
  *
diff --git a/opensearch/src/main/java/org/opensearch/sql/opensearch/request/system/OpenSearchDescribeIndexRequest.java b/opensearch/src/main/java/org/opensearch/sql/opensearch/request/system/OpenSearchDescribeIndexRequest.java
index c4ac270547..5e96ad83c5 100644
--- a/opensearch/src/main/java/org/opensearch/sql/opensearch/request/system/OpenSearchDescribeIndexRequest.java
+++ b/opensearch/src/main/java/org/opensearch/sql/opensearch/request/system/OpenSearchDescribeIndexRequest.java
@@ -140,6 +140,6 @@ private String clusterName(Map<String, String> meta) {
 
   @Override
   public String toString() {
-    return "OpenSearchDescribeIndexRequest{" + "indexName='" + indexName + '\'' + '}';
+    return "OpenSearchDescribeIndexRequest{indexName='" + indexName + "\'}";
   }
 }
diff --git a/opensearch/src/main/java/org/opensearch/sql/opensearch/response/agg/MetricParserHelper.java b/opensearch/src/main/java/org/opensearch/sql/opensearch/response/agg/MetricParserHelper.java
index 0d1f770470..4df9537973 100644
--- a/opensearch/src/main/java/org/opensearch/sql/opensearch/response/agg/MetricParserHelper.java
+++ b/opensearch/src/main/java/org/opensearch/sql/opensearch/response/agg/MetricParserHelper.java
@@ -49,7 +49,7 @@ public Map<String, Object> parse(Aggregations aggregations) {
       } else {
         throw new RuntimeException(
             StringUtils.format(
-                "couldn't parse field %s in aggregation " + "response", aggregation.getName()));
+                "couldn't parse field %s in aggregation response", aggregation.getName()));
       }
     }
     return resultMap;