README formatting corrections

README.md

@@ -2,6 +2,10 @@
 
 A query builder/abstraction layer.
 
+## Requirements
+* Pdo extensions for the databases you wish to use (unless it's Firebird, in which case, the interbase extension is required)
+* PHP 5.2+
+
 ## Databases Supported
 	
 * Firebird
@@ -10,10 +14,6 @@ A query builder/abstraction layer.
 * SQLite
 * Others, via ODBC
 	
-## Requirements
-	* Pdo extensions for the databases you wish to use (unless it's Firebird, in which case, the interbase extension is required)
-	
-	
 ## Connecting
 
 Create a connection array or object similar to this:
@@ -42,6 +42,6 @@ Query uses the same interface as CodeIgniter's [Active Record class](http://code
 
 To retreive the results of a query, use the PDO methods `fetch` and `fetchAll`.
 
-	$query = $this->db->get('table_name');
+	$query = $db->get('table_name');
 	
 	$results = $query->fetchAll(PDO::FETCH_ASSOC);