docs: clarify configuration motivation

Author: eugeniatel

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

@@ -83,7 +83,7 @@ npm run check -- --manifest ../your-subgraph/subgraph.yaml --config ./subgraph-l
 
 #### Configuration (severity overrides and suppression)
 
-Subgraph Linter reads configuration from `subgraph-linter.config.json` (or the file passed via `--config`).
+Configuration lets teams apply the project-specific severities and tolerances described above. Subgraph Linter reads configuration from `subgraph-linter.config.json` (or the file passed via `--config`).
 
 The two main configuration features are: