Minor formatting fix.

Author: sideshowbarker

CHANGELOG.md

@@ -1,7 +1,7 @@
 # 01 September 2014
   - fixed bug that broke json & xml message output
-    see https://github.com/validator/validator.github.io/issues/5
-    thanks https://github.com/cavweb20
+    (see https://github.com/validator/validator.github.io/issues/5
+    and thanks to https://github.com/cavweb20)
 
 # 25 August 2014
   - added support for the `<picture>` element