Update readme a bit

Author: avbdr

readme.md

@@ -140,16 +140,25 @@ foreach ($users as $user) {
 }
 ```
 
-### Raw Query Method
+More advanced examples:
 ```php
 $params = Array(1, 'admin');
 $users = $db->rawQuery("SELECT id, firstName, lastName FROM users WHERE id = ? AND login = ?", $params);
 print_r($users); // contains Array of returned rows
 
 // will handle any SQL query
 $params = Array(10, 1, 10, 11, 2, 10);
-$resutls = $db->rawQuery("(SELECT a FROM t1 WHERE a = ? AND B = ? ORDER BY a LIMIT ?) UNION(SELECT a FROM t2 WHERE a = ? AND B = ? ORDER BY a LIMIT ?)", $params);
-print_r($results); // contains Array of returned rows
+$q = "(
+    SELECT a FROM t1
+        WHERE a = ? AND B = ?
+        ORDER BY a LIMIT ?
+) UNION (
+    SELECT a FROM t2 
+        WHERE a = ? AND B = ?
+        ORDER BY a LIMIT ?
+)";
+$resutls = $db->rawQuery ($q, $params);
+print_r ($results); // contains Array of returned rows
 ```