Small layout correction

guides/source/testing.textile

@@ -543,12 +543,11 @@ things clearer. On the other hand, you have to include the "layouts" directory n
 file in this standard layout directory. Hence,
 
 <ruby>
-assert_template :layout => "application"
+  assert_template :layout => "application"
 </ruby>
 
 will not work.
 
-
 h4. A Fuller Functional Test Example
 
 Here's another example that uses +flash+, +assert_redirected_to+, and +assert_difference+: