diff --git a/doc/developers/guidelines-backend.en-us.md b/doc/developers/guidelines-backend.en-us.md
index 913898be..f3511152 100644
--- a/doc/developers/guidelines-backend.en-us.md
+++ b/doc/developers/guidelines-backend.en-us.md
@@ -54,7 +54,7 @@ To maintain understandable code and avoid circular dependencies it is important
 
 ### Package Dependencies
 
-Since Golang don't support import cycles, we have to decide the package dependencies carefully. There are some levels between those packages. Below is the ideal package dependencies direction.
+Since Golang doesn't support import cycles, we have to decide the package dependencies carefully. There are some levels between those packages. Below is the ideal package dependencies direction.
 
 `cmd` -> `routers` -> `services` -> `models` -> `modules`