docs: clarify concurrency behavior in WAL mode (#15382)

docs/api/sqlite.md

@@ -75,7 +75,7 @@ To instead throw an error when a parameter is missing and allow binding without
 import { Database } from "bun:sqlite";
 
 const strict = new Database(
-  ":memory:", 
+  ":memory:",
   { strict: true }
 );
 
@@ -177,7 +177,7 @@ const query = db.prepare("SELECT * FROM foo WHERE bar = ?");
 
 ## WAL mode
 
-SQLite supports [write-ahead log mode](https://www.sqlite.org/wal.html) (WAL) which dramatically improves performance, especially in situations with many concurrent writes. It's broadly recommended to enable WAL mode for most typical applications.
+SQLite supports [write-ahead log mode](https://www.sqlite.org/wal.html) (WAL) which dramatically improves performance, especially in situations with many concurrent readers and a single writer. It's broadly recommended to enable WAL mode for most typical applications.
 
 To enable WAL mode, run this pragma query at the beginning of your application: