diff --git a/docs/essential/best-practice.md b/docs/essential/best-practice.md
index a865f14b..eb83b8ec 100644
--- a/docs/essential/best-practice.md
+++ b/docs/essential/best-practice.md
@@ -162,7 +162,7 @@ We recommended one of the following approach to implement a controller in Elysia
 ### 1. Elysia instance as a controller
 > 1 Elysia instance = 1 controller
 
-Treat an Elysia instance is a controller, and define your routes directly on the Elysia instance.
+Treat an Elysia instance as a controller, and define your routes directly on the Elysia instance.
 
 ```typescript
 // ✅ Do