diff --git a/emqx/README.md b/emqx/README.md
index e53686bd3..c4e2958f2 100644
--- a/emqx/README.md
+++ b/emqx/README.md
@@ -49,9 +49,13 @@ WARNING:
 
 # What is EMQX
 
-[EMQX MQTT broker](https://emqx.io/products/broker) is a fully open source, highly scalable, highly available distributed MQTT messaging broker for IoT, M2M and Mobile applications that can handle tens of millions of concurrent clients.
+[EMQX](https://emqx.io/) is the world's most scalable open-source MQTT broker with a high performance that connects 100M+ IoT devices in 1 cluster, while maintaining 1M message per second throughput and sub-millisecond latency.
 
-Starting from 3.0 release, *EMQX* broker fully supports MQTT V5.0 protocol specifications and backward compatible with MQTT V3.1 and V3.1.1, as well as other communication protocols such as MQTT-SN, CoAP, LwM2M, WebSocket and STOMP. The 3.0 release of the *EMQX* broker can scaled to 10+ million concurrent MQTT connections on one cluster.
+EMQX supports multiple open standard protocols like MQTT, HTTP, QUIC, and WebSocket. It's 100% compliant with MQTT 5.0 and 3.x standard, and secures bi-directional communication with MQTT over TLS/SSL and various authentication mechanisms.
+
+With the built-in powerful SQL-based rules engine, EMQX can extract, filter, enrich and transform IoT data in real-time. In addition, it ensures high availability and horizontal scalability with a masterless distributed architecture, and provides ops-friendly user experience and great observability.
+
+EMQX boasts more than 20K+ enterprise users across 50+ countries and regions, connecting 100M+ IoT devices worldwide, and is trusted by over 400 customers in mission-critical scenarios of IoT, IIoT, connected vehicles, and more, including over 70 Fortune 500 companies like HPE, VMware, Verifone, SAIC Volkswagen, and Ericsson.
 
 ![logo](https://raw.githubusercontent.com/docker-library/docs/68aa4264fa058f323993fdaceacd63a8acbbeb48/emqx/logo.svg?sanitize=true)
 
@@ -62,7 +66,7 @@ Starting from 3.0 release, *EMQX* broker fully supports MQTT V5.0 protocol speci
 Execute some command under this docker image
 
 ```console
-$ docker run -d --name emqx emqx:tag
+$ docker run -d --name emqx emqx:${tag}
 ```
 
 For example
diff --git a/varnish/README.md b/varnish/README.md
index feddfaaa4..d23cefc79 100644
--- a/varnish/README.md
+++ b/varnish/README.md
@@ -24,8 +24,8 @@ WARNING:
 
 # Supported tags and respective `Dockerfile` links
 
--	[`fresh`, `7.2.1`, `7.2`, `latest`](https://github.com/varnish/docker-varnish/blob/e7acf36bd4afd05427bc3fb251ae4b3374168f27/fresh/debian/Dockerfile)
--	[`fresh-alpine`, `7.2.1-alpine`, `7.2-alpine`, `alpine`](https://github.com/varnish/docker-varnish/blob/e7acf36bd4afd05427bc3fb251ae4b3374168f27/fresh/alpine/Dockerfile)
+-	[`fresh`, `7.2.1`, `7.2`, `latest`](https://github.com/varnish/docker-varnish/blob/b62a2443a5f1b821fbb096aea9d349f0de20b0a3/fresh/debian/Dockerfile)
+-	[`fresh-alpine`, `7.2.1-alpine`, `7.2-alpine`, `alpine`](https://github.com/varnish/docker-varnish/blob/b62a2443a5f1b821fbb096aea9d349f0de20b0a3/fresh/alpine/Dockerfile)
 -	[`old`, `7.1.2`, `7.1`](https://github.com/varnish/docker-varnish/blob/e7acf36bd4afd05427bc3fb251ae4b3374168f27/old/debian/Dockerfile)
 -	[`old-alpine`, `7.1.2-alpine`, `7.1-alpine`](https://github.com/varnish/docker-varnish/blob/e7acf36bd4afd05427bc3fb251ae4b3374168f27/old/alpine/Dockerfile)
 -	[`stable`, `6.0.11`, `6.0`](https://github.com/varnish/docker-varnish/blob/e7acf36bd4afd05427bc3fb251ae4b3374168f27/stable/debian/Dockerfile)