Remove query key (#817)

website/pages/en/developing/developer-faqs.mdx

@@ -129,7 +129,7 @@ By default, query responses are limited to 100 items per collection. If you want
 someCollection(first: 1000, skip: <number>) { ... }
 ```
 
-### 23. If my dapp frontend uses The Graph for querying, do I need to write my query key into the frontend directly? What if we pay query fees for users – will malicious users cause our query fees to be very high?
+### 23. If my dapp frontend uses The Graph for querying, do I need to write my API key into the frontend directly? What if we pay query fees for users – will malicious users cause our query fees to be very high?
 
 Currently, the recommended approach for a dapp is to add the key to the frontend and expose it to end users. That said, you can limit that key to a hostname, like _yourdapp.io_ and subgraph. The gateway is currently being run by Edge & Node. Part of the responsibility of a gateway is to monitor for abusive behavior and block traffic from malicious clients.