diff --git a/docs/3.x.x/en/advanced/customize-admin.md b/docs/3.x.x/en/advanced/customize-admin.md
index a819fa90d5..9a40b4cb83 100644
--- a/docs/3.x.x/en/advanced/customize-admin.md
+++ b/docs/3.x.x/en/advanced/customize-admin.md
@@ -62,6 +62,8 @@ The panel will be available through [http://localhost:1337/dashboard](http://loc
 
 ### Development mode
 
+Note that to modify the administration panel, your project needs to be created with using the `dev` flag, an example of such would be: `strapi new strapi --dev`.
+
 **#1 — Install its own dependencies**
 
 Run `npm install` from the `./admin` folder.
@@ -99,7 +101,7 @@ Note: make sure the size of your image is the same as the existing one (434px x
 
 ## Build
 
-To build the administration, run the following command from the `./admin` folder:
+To build the administration, run the following command from the root directory of your project, **not** the `./admin folder:
 
 ```
 npm run build