Renaming extensions header for better clarity.

Author: Oxyjun

src/content/docs/d1/sql-api/sql-statements.mdx

@@ -11,7 +11,7 @@ D1 is compatible with most SQLite's SQL convention since it leverages SQLite's q
 
 You can execute any of these statements via the D1 console in the Cloudflare dashboard, [`wrangler d1 execute`](/workers/wrangler/commands/#d1), or with the [D1 Worker Bindings API](/d1/worker-api/prepare-a-statement).
 
-## SQLite Extensions
+## Supported SQLite Extensions
 
 D1 supports a subset of SQLite extensions for added functionality, including: