Improve the docs and fix number to string (#317)

* Improve the docs and fix number to string

* Update docs

Co-authored-by: Colin McDonnell <colin@edgedb.com>

docs/index.rst

@@ -60,6 +60,8 @@ as strings, the driver API is all you need.
     console.log(result); // "Hello world!"
   }
 
+  run();
+
 If you're not using TypeScript, you can skip straight to :ref:`the Driver docs
 <edgedb-js-examples>`.
 
@@ -86,6 +88,8 @@ users—it's awesome.
     console.log(result); // "Hello world!"
   }
 
+  run()
+
 As you can see, you still use the ``edgedb`` module to instantiate a client,
 but you use the auto-generated query builder to write and execute your queries.
 
@@ -100,8 +104,8 @@ need an ORM to write strongly typed queries.
 
   const client = edgedb.createClient();
 
-  const q1 = await e.str("Hello world!").run(client);
-  // number
+  const q1 = await e.select("Hello world!").run(client);
+  // string
 
   const q2 = await e.set(1, 2, 3).run(client);
   // number[]