[announce/2013.03.md] some formatting

Indenting the text that way won't work. It means
<pre> formatting in Markdown. Not what we want.

docs/announce/2013.03.md

@@ -29,6 +29,7 @@ making Rakudo Perl possible, as well as those people who worked on
 Parrot, the Perl 6 test suite and the specification.
 
 The following people contributed to this release:
+
 ...
 
 If you would like to contribute, see <http://rakudo.org/how-to-help>,
@@ -46,15 +47,15 @@ On behalf of the development team, I encourage you to try the new release,
 to live life to its fullest, to cherish each moment, and to have fun.
 
 [^1]: What's the difference between the Rakudo compiler and the Rakudo
-    Star distribution?
-
-    The Rakudo compiler is a compiler for the Perl 6 language.
-    Nothing else.
-
-    The Rakudo Star distribution is the Rakudo compiler plus a selection
-    of useful Perl 6 modules, the most recent incarnation of the "Using
-    Perl 6" book, and other software that can be used with the Rakudo
-    compiler to enhance its utility.  Rakudo Star is meant for early
-    adopters who wish to explore what's possible with Rakudo Perl 6 and
-    provide feedback on what works, what doesn't, and what else they
-    would like to see included in the distribution.
+Star distribution?
+
+The Rakudo compiler is a compiler for the Perl 6 language.
+Nothing else.
+
+The Rakudo Star distribution is the Rakudo compiler plus a selection
+of useful Perl 6 modules, the most recent incarnation of the "Using
+Perl 6" book, and other software that can be used with the Rakudo
+compiler to enhance its utility.  Rakudo Star is meant for early
+adopters who wish to explore what's possible with Rakudo Perl 6 and
+provide feedback on what works, what doesn't, and what else they
+would like to see included in the distribution.