Update query URL and authorization header in querying-the-graph.mdx

Author: itsjerryokolo

website/pages/en/querying/querying-the-graph.mdx

@@ -25,8 +25,6 @@ authorization: Bearer ${api_key}
 ```
 Replace ${api_key} with your actual API key.
 
-You can create and manage your API keys in the [Subgraph Studio](https://thegraph.com/studio) in the "API Keys" section. Learn more about how to use Subgraph Studio [here](/deploying/subgraph-studio).
-
-As you can notice, this query URL must use a unique API key. You can create and manage your API keys in [Subgraph Studio](https://thegraph.com/studio), in the "API Keys" section. Learn more about how to use Subgraph Studio [here](/deploying/subgraph-studio).
+ You can create and manage your API keys in [Subgraph Studio](https://thegraph.com/studio), in the "API Keys" section. Learn more about how to use Subgraph Studio [here](/deploying/subgraph-studio).
 
 Subgraph Studio users start on a Free Plan, which allows them to make 100,000 queries per month. Additional queries are available on the Growth Plan, which offers usage based pricing for additional queries, payable by credit card, or GRT on Arbitrum. You can learn more about billing [here](/billing).