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

Co-authored-by: Benoît Rouleau <[email protected]>

Author: itsjerryokolo

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

@@ -28,14 +28,18 @@ Each subgraph published to the decentralized Graph Explorer has a unique query U
 As you can notice, this query URL must use a unique API key. A bearer token can also be used to authenticate the query.
 
 Update the query path:
+
 ```bash
 ../api/${api_key}/deployments/... -> ../api/deployments/...
 ```
+
 Add the authorization header:
+
 ```bash
 authorization: Bearer ${api_key}
 ```
-Replace ${api_key} with your actual API key.
+
+Replace `${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).