diff --git a/README.md b/README.md
index 4502c5e..1712778 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,12 @@
 # Awesome Prometheus alerting rules [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/sindresorhus/awesome)
 
-![Awesome logo](./assets/awesome.png)
+<!-- ![Awesome logo](./assets/awesome.png) -->
+<p align="center"> 
+    <img src="./assets/awesome.png">
+</p>
 
 Collection here: **[https://awesome-prometheus-alerts.grep.to](https://awesome-prometheus-alerts.grep.to)**
 
 ## Todo
 
-- Create an alert rule builder in Jekyll for custom alerts (severity, thresholds, instances...)
+- Create an alert rule builder in Jekyll for custom alerts (severity, thresholds, instances, ...)
diff --git a/_data/rules.yml b/_data/rules.yml
index 2373da6..e43f62d 100644
--- a/_data/rules.yml
+++ b/_data/rules.yml
@@ -270,10 +270,14 @@ services:
       - name: danielqsj/kafka_exporter
         doc_url: https://github.com/danielqsj/kafka_exporter
         rules:
-        - name: Kafka Topics 
+          - name: Kafka Topics 
             description: Kafka topic in-sync partition
             query: 'sum(kafka_topic_partition_in_sync_replica) by (topic) > 3'
             severity: error
+          - name: Kafka consumers group
+            description: Kafka consumers group
+            query: 'sum(kafka_consumergroup_lag) by (consumergroup) > 50'
+            severity: error
 
   - name: Linkerd
     exporters: