docs: fix broken links

Author: georgeh0

docs/docs/core/settings.mdx

@@ -112,7 +112,7 @@ If you use the Postgres database hosted by [Supabase](https://supabase.com/), pl
 *   `source_max_inflight_rows` (type: `int`, optional): The maximum number of concurrent inflight requests for source operations.
 *   `source_max_inflight_bytes` (type: `int`, optional): The maximum number of concurrent inflight bytes for source operations.
 
-The options only provide a default value, and can be overridden by arguments passed to `FlowBuilder.add_source()` on per-source basis ([details](/docs/build/flow_def#concurrency-control)).
+The options provide default values, and can be overridden by arguments passed to `FlowBuilder.add_source()` on per-source basis ([details](/docs/core/flow_def#concurrency-control)).
 
 ## List of Environment Variables