Fix typo in "Hosted Service" for debug forking (#121)

Author: evaporei

pages/en/developer/subgraph-debug-forking.mdx

@@ -44,12 +44,12 @@ export function handleUpdatedGravatar(event: UpdatedGravatar): void {
 }
 ```
 
-Oops, how unfortunate, when I deploy my perfect looking subgraph to the [HostedService](https://thegraph.com/hosted-service/) it fails with the _"Gravatar not found!"_ error.
+Oops, how unfortunate, when I deploy my perfect looking subgraph to the [Hosted Service](https://thegraph.com/hosted-service/) it fails with the _"Gravatar not found!"_ error.
 
 The usual way to attempt a fix is:
 
 1. Make a change in the mappings source, which you believe will solve the issue (while I know it won't).
-2. Re-deploy the subgraph to the [HostedService](https://thegraph.com/hosted-service/) (or another remote Graph node).
+2. Re-deploy the subgraph to the [Hosted Service](https://thegraph.com/hosted-service/) (or another remote Graph node).
 3. Wait for it to sync-up.
 4. If it breaks again go back to 1, otherwise: Hooray!