diff --git a/docs/user/credits.dox b/docs/user/credits.dox
index 38b88de7d7..8ae16150d2 100644
--- a/docs/user/credits.dox
+++ b/docs/user/credits.dox
@@ -8,8 +8,11 @@
   Niels Sascha Reedijk
   
   \section credits_contributors Contributors
+  Stefano Ceccherini\n
   Axel Dörfler\n
+  John Drinkwater\n
   Matthijs Hollemans\n
+  Thom Holwerda\n
   Alan Smale\n
   Ingo Weinhold\n
   David Weizades