diff --git a/apps/emqx_bridge_cassandra/README.md b/apps/emqx_bridge_cassandra/README.md
index fbf57660d..30dd9b6d5 100644
--- a/apps/emqx_bridge_cassandra/README.md
+++ b/apps/emqx_bridge_cassandra/README.md
@@ -12,7 +12,7 @@ and easily ingest IoT data into Cassandra by leveraging the
 [EMQX Rules](https://docs.emqx.com/en/enterprise/v5.0/data-integration/rules.html).
 
 
-# Documention
+# Documentation
 
 - Refer to [Ingest data into Cassandra](https://docs.emqx.com/en/enterprise/v5.0/data-integration/data-bridge-cassa.html)
   for how to use EMQX dashboard to ingest IoT data into Cassandra.
diff --git a/apps/emqx_bridge_gcp_pubsub/README.md b/apps/emqx_bridge_gcp_pubsub/README.md
index 2e876ef0f..aa62ca0db 100644
--- a/apps/emqx_bridge_gcp_pubsub/README.md
+++ b/apps/emqx_bridge_gcp_pubsub/README.md
@@ -4,7 +4,7 @@
 
 The application is used to connect EMQX and GCP Pub/Sub.
 User can create a rule and easily ingest IoT data into GCP Pub/Sub by leveraging
-the EMQX [EMQX Rules](https://docs.emqx.com/en/enterprise/v5.0/data-integration/rules.html).
+the [EMQX Rules](https://docs.emqx.com/en/enterprise/v5.0/data-integration/rules.html).
 
 
 # Documention
diff --git a/apps/emqx_bridge_rocketmq/src/emqx_bridge_rocketmq.app.src b/apps/emqx_bridge_rocketmq/src/emqx_bridge_rocketmq.app.src
index 202bb38f2..e1916034c 100644
--- a/apps/emqx_bridge_rocketmq/src/emqx_bridge_rocketmq.app.src
+++ b/apps/emqx_bridge_rocketmq/src/emqx_bridge_rocketmq.app.src
@@ -1,5 +1,5 @@
 {application, emqx_bridge_rocketmq, [
-    {description, "EMQX Enterprise RcoketMQ Bridge"},
+    {description, "EMQX Enterprise RocketMQ Bridge"},
     {vsn, "0.1.0"},
     {registered, []},
     {applications, [kernel, stdlib]},
diff --git a/apps/emqx_bridge_timescale/README.md b/apps/emqx_bridge_timescale/README.md
index c8bcde173..ac631c003 100644
--- a/apps/emqx_bridge_timescale/README.md
+++ b/apps/emqx_bridge_timescale/README.md
@@ -12,7 +12,7 @@ the EMQX [EMQX Rules](https://docs.emqx.com/en/enterprise/v5.0/data-integration/
 
 # Documention
 
-- Refer to [Ingest data into TimescaleDB](todo)
+- Refer to [Ingest data into TimescaleDB](https://docs.emqx.com/en/enterprise/v5.0/data-integration/data-bridge-timescaledb.html)
   for how to use EMQX dashboard to ingest IoT data into TimescaleDB.
 
 - Refer to [EMQX Rules](https://docs.emqx.com/en/enterprise/v5.0/data-integration/rules.html)