Update website/src/pages/en/subgraphs/guides/subgraph-linter.mdx

Co-authored-by: Idalith  <126833353+idalithb@users.noreply.github.com>

Author: eugeniatel

website/src/pages/en/subgraphs/guides/subgraph-linter.mdx

@@ -81,7 +81,7 @@ npm run check -- --manifest ../your-subgraph/subgraph.yaml --config ./subgraph-l
 
 *Configuration note:* Subgraph Linter supports configurable severities per check. By default, checks have sensible severities, but you can override them to match your project’s tolerance. Only checks with effective severity `error` cause a non-zero exit code; warnings-only runs exit successfully.
 
-### Configuration (severity overrides and suppression)
+#### Configuration (severity overrides and suppression)
 
 Subgraph Linter reads configuration from `subgraph-linter.config.json` (or the file passed via `--config`).