Improve the readablity of the code in the readme.

Author: lovasoa

README.md

@@ -61,6 +61,10 @@ console.log(result); // Will print {a:1, b:'world'}
 // Bind other values
 stmt.bind([0, 'hello']);
 while (stmt.step()) console.log(stmt.get()); // Will print [0, 'hello']
+// free the memory used by the statement
+stmt.free();
+// You can not use your statement anymore once it has been freed.
+// But not freeing your statements causes memory leaks. You don't want that.
 
 // You can also use JavaScript functions inside your SQL code
 // Create the js function you need
@@ -70,11 +74,6 @@ db.create_function("add_js", add);
 // Run a query in which the function is used
 db.run("INSERT INTO hello VALUES (add_js(7, 3), add_js('Hello ', 'world'));"); // Inserts 10 and 'Hello world'
 
-// free the memory used by the statement
-stmt.free();
-// You can not use your statement anymore once it has been freed.
-// But not freeing your statements causes memory leaks. You don't want that.
-
 // Export the database to an Uint8Array containing the SQLite database file
 var binaryArray = db.export();
 ```