docs: clarifying the login step for local development (#18553)

apps/docs/pages/guides/cli/local-development.mdx

@@ -29,15 +29,19 @@ The Dashboard provides a wide range of features for setting up your project: cre
 
 ## Log in to the Supabase CLI
 
-```bash
+Log in if you are planning to deploy your project to the Supabase Platform. This step is optional and is not required to use the Supabase CLI.
+
+<CH.Code>
+
+```bash Terminal
 supabase login
 ```
 
-<Admonition type="note">
+```bash NPX
+npx supabase login
+```
 
-If you installed the Supabase CLI via NPM, you will need to run `npx supabase login` instead.
-
-</Admonition>
+</CH.Code>
 
 ## Initialize your project