fix typo

Rodrigo Fernandes · Rodrigo Fernandes · commit 8f9ff37a99d2 · 2015-10-29T10:09:46.000Z
diff --git a/CREDITS.md b/CREDITS.md
@@ -1,7 +1,7 @@
 # Credits
 
 This is the list of all the kind people that have contributed to the diff2html project.
-This list or ordered by first contribution.
+This list is ordered by first contribution.
 
 Thanks,
 @rtfpessoa
