Fix messed up link in the Why? page

kbroman · kbroman · commit 26554e2f1781 · 2013-05-13T08:46:29.000-05:00
diff --git a/pages/why.md b/pages/why.md
@@ -39,7 +39,7 @@ in some very useful code developed by someone I don't know, because
 it's hosted on github.
 
 _You don't have to set up a git server._ It's surprisingly easy
-[first_time.md](to get things set up).
+[to get things set up](first_time.html).
 
 
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