fix: typo (#3375)

Author: Colt45s

website/src/pages/docs/features/graphiql.mdx

@@ -146,7 +146,7 @@ Yoga by itself doesn't require any special CSP configuration, but if you plan to
 will need to add some sources to your CSP configuration:
 
 - `script-src`:
-  - `unpgk.com`: used to load the graphql module.
+  - `unpkg.com`: used to load the graphql module.
   - `unsafe-inline`: GraphiQL is bundled with Webpack which rely on script tag injections.
 - `style-src`:
   - `unpkg.com`: GraphiQL styles are loaded directly from its module bundle, next to its scripts.