Update website/src/pages/en/ai-suite/subgraph-skills/setup.mdx

Co-authored-by: Benoît Rouleau <1059139+benface@users.noreply.github.com>

Author: brandonleekramer

website/src/pages/en/ai-suite/subgraph-skills/setup.mdx

@@ -37,7 +37,7 @@ Core development knowledge including:
 Performance best practices from The Graph docs:
 
 - Pruning with indexerHints
-- Arrays with @derivedFrom
+- Arrays with `@derivedFrom`
 - Immutable entities and Bytes as IDs
 - Avoiding eth_calls
 - Timeseries and aggregations