README: formatting fix

README.md

@@ -50,7 +50,7 @@ you append the text ``another item`` to the element with id ``#log``.
 
 Silk uses DNU (Smalltalk ``does not understand``) to help you to create HTML elements, and uses associations as a way to set attributes. So to construct HTML text you do:
 
-Silk new
+     Silk new
         H1: {'id'->'header'. 'Welcome'};
         P: {'id'->'welcome'. 'This is an acme page.'. 'It was created by Silk'};
         HR;