diff --git a/site/en/reference/architecture/main_components.md b/site/en/reference/architecture/main_components.md
index 402d00562..8dfab9a1f 100644
--- a/site/en/reference/architecture/main_components.md
+++ b/site/en/reference/architecture/main_components.md
@@ -1,16 +1,16 @@
 ---
 id: main_components.md
-summary: Learn about the main components in Milvus standalone and cluster.
+summary: Learn about the main components in Milvus Standalone and Cluster.
 title: Main Components
 ---
 
 # Main Components
 
-There are two modes for running Milvus: Standalone and Cluster. These two modes share the same features. You can choose a mode that best fits your dataset size, traffic data, and more. For now, Milvus standalone cannot be upgraded "online" to Milvus cluster. 
+There are two modes for running Milvus: Standalone and Cluster. These two modes share the same features. You can choose a mode that best fits your dataset size, traffic data, and more. For now, Milvus Standalone cannot be upgraded "online" to Milvus Cluster. 
 
-## Milvus standalone
+## Milvus Standalone
 
- Milvus standalone includes three components:
+ Milvus Standalone includes three components:
 
 - **Milvus:** The core functional component. 
 
@@ -18,11 +18,11 @@ There are two modes for running Milvus: Standalone and Cluster. These two modes
 
 - **Object Storage:** The storage engine, which is responsible for data persistence for Milvus.
 
-![Standalone_architecture](../../../../assets/standalone_architecture.jpg "Milvus standalone architecture.")
+![Standalone_architecture](../../../../assets/standalone_architecture.jpg "Milvus Standalone architecture.")
 
-## Milvus cluster
+## Milvus Cluster
 
-**Milvus cluster** includes seven microservice components and three third-party dependencies. All microservices can be deployed on Kubernetes, independently from each other. 
+**Milvus Cluster** includes seven microservice components and three third-party dependencies. All microservices can be deployed on Kubernetes, independently from each other. 
 
 ### Microservice components
 
@@ -40,7 +40,7 @@ There are two modes for running Milvus: Standalone and Cluster. These two modes
 - **Object Storage:**  Responsible for data persistence of large files in the cluster, such as index and binary log files, e.g. S3
 - **Log Broker:** Manages logs of recent mutation operations, outputs streaming log, and provides log publish-subscribe services, e.g. Pulsar.
 
-![Distributed_architecture](../../../../assets/distributed_architecture.jpg "Milvus cluster architecture.")
+![Distributed_architecture](../../../../assets/distributed_architecture.jpg "Milvus Cluster architecture.")
 
 ## What's next