diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..120947d
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,9 @@
+This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+# Changelog for Generate MapReduce CouchBase
+
+
+## [v1.0.0-SNAPSHOT] 
+
+- First Release
+
diff --git a/src/main/java/org/gcube/dbtest/dbtest.java b/src/main/java/org/gcube/dbtest/dbtest.java
index dbcb377..d1f5c7e 100644
--- a/src/main/java/org/gcube/dbtest/dbtest.java
+++ b/src/main/java/org/gcube/dbtest/dbtest.java
@@ -22,8 +22,8 @@ import com.couchbase.client.java.view.View;
 
 public class dbtest {
 
-	protected static final String DB = "JobUsageRecord";
-	protected static final String USAGE_RECORD_TYPE = "JobUsageRecord";
+	protected static final String DB = "AggregatedServiceUsageRecord";
+	protected static final String USAGE_RECORD_TYPE = "ServiceUsageRecord";
 	
 	protected static final String URL = "http://couchbase01-d-d4s.d4science.org";
 	protected static final String PASSWORD = "accounting";