diff --git a/lib/client.js b/lib/client.js
index 3dabf48..0d98f6a 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -6,6 +6,6 @@ exports.logger = require('./logger');
 
 /**
  * Expose core metric relates classes and prototypes
- * @type {(function({}=): metrics.BufferedMetricsLogger)|{}}
+ * @type {function}
  */
 exports.metrics = require('./metrics');
\ No newline at end of file
diff --git a/lib/metics.test.js b/lib/metics.test.js
index fa1362d..32bbc75 100644
--- a/lib/metics.test.js
+++ b/lib/metics.test.js
@@ -95,6 +95,8 @@ describe('Create Metrics', () => {
         assume(metrics).is.an('object');
         assume(metrics.prefix).equals('test.');
         assume(metrics.reporter.constructor.name).equals('NullReporter');
+
+        metrics.increment('test', 1)
     });
     test('should create metric client with sampling enabled and DD reporter', () => {
         const samplingKey = 'ed6fa6ad-b3cd-44f1-b105-2a017ad0d463'