Cleanup of stray spaces and tabs
diff --git a/user_guide/general/drivers.html b/user_guide/general/drivers.html
index 9c86f02..3163c11 100644
--- a/user_guide/general/drivers.html
+++ b/user_guide/general/drivers.html
@@ -75,7 +75,7 @@
<code>$this->some_parent->some_method();</code>
<p>The child classes, the drivers themselves, can then be called directly through the parent class, without initializing them:</p>
-
+
<code>$this->some_parent->child_one->some_method();<br />
$this->some_parent->child_two->another_method();</code>