Update docs/api-docs/storefront/graphql/graphql-api-overview.mdx

Co-authored-by: bc-andreadao <[email protected]>

docs/api-docs/storefront/graphql/graphql-api-overview.mdx

@@ -210,7 +210,7 @@ curl 'https://store.com/graphql' -H 'authorization: Bearer TOKEN_GOES_HERE' -H '
 If you're using the GraphQL Storefront API from a browser, for example, on top of your Stencil storefront, you can use the Customer Login mutation to sign in to a customer account with an email address and a password. This will set a session cookie in the browser, which will authenticate the customer account on future requests.
 
 <Callout type="info">
-Note: A customer can only sign in to their account on one device. When running the customer login mutation for a session on a new device, a customer is automatically signed out.
+A customer can only sign in to their account on one device. When running the customer login mutation for a session on a new device, a customer is automatically signed out.
 </Callout>
 
 ```graphql filename="Example query: login mutation" showLineNumbers copy