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

@@ -7,7 +7,7 @@ sidebarTitle: Static Analysis with Subgraph Linter
 
 It complements existing tools by helping you catch problems locally while writing code, rather than discovering them after deployment or in production. It does not replace testing (runtime or unit tests), but it can reduce the number of bugs that make it to production.
 
-## Why run Subgraph Linter?
+## When to use it
 
 Subgraph handlers often fail in subtle ways that don’t show up until indexing starts: