Minor fix

Author: Oxyjun

src/content/docs/d1/worker-api/d1-database.mdx

@@ -245,7 +245,7 @@ return new Response(dump, {
 
 ### `withSession()`
 
-Starts a D1 Session which maintains sequential consistency among queries executed on the returned `D1DatabaseSession` object.
+Starts a D1 session which maintains sequential consistency among queries executed on the returned `D1DatabaseSession` object.
 
 ```ts
 const session = env.DB.withSession("<parameter>");