diff --git a/README.md b/README.md
index 2ebf3e7..08b855b 100644
--- a/README.md
+++ b/README.md
@@ -140,8 +140,7 @@ Port usage: 8282 (renderer) + 8081 (service)
 
 ```mermaid
 flowchart LR
-D[renderer] <--> A[extention.ts] <--> B
-[service]
+D[renderer] <--> A[extention.ts] <--> B[service]
 B <--mcp--> m(MCP Server)
 ```
 
@@ -150,4 +149,4 @@ Build for deployment:
 ```bash
 npm run build
 ```
-Then just press F5, いただきます (Let's begin)
\ No newline at end of file
+Then just press F5, いただきます (Let's begin)