Some nits.

web/docs/library/getting-started.mdx

@@ -10,7 +10,7 @@ description: 'How to install Supabase and start interacting with your database'
 ```bash
 npm install --save @supabase/supabase-js
 # OR
-yarn install @supabase/supabase-js
+yarn add @supabase/supabase-js
 ```
 
 
@@ -20,7 +20,7 @@ yarn install @supabase/supabase-js
 import { createClient } from '@supabase/supabase-js'
 
 // Create a single supabase client for interacting with your database 
-const supabase = createClient("https://xyzcompany.supabase.co", "1a2b-3c4d-5e6f-7g8h");
+const supabase = createClient("https://xyzcompany.supabase.co", "public-anon-key");
 ```