diff --git a/lib/CREDITS b/lib/CREDITS
index 38ae69bdcf..acfe3d85bb 100644
--- a/lib/CREDITS
+++ b/lib/CREDITS
@@ -142,6 +142,9 @@
 @bDarren Freeman
 @iE-mail: dfreeman () ieee ! org
    Improvements to mouse wheel scrolling; many bug reports
+@bMax Funk
+@iE-mail: maxkhfunk () gmx ! net
+   Bug fixes
 @bEdscott Wilson Garcia
 @iE-mail: edscott () xfce ! org
    Bug fixes
@@ -540,6 +543,9 @@
 @bRuss Woodroofe
 @iE-mail: paranoia () math ! cornell ! edu
    question layout environment
+@bYihui Xie
+@iE-mail: xie () yihui ! name
+   Bugfixing, Chinese translation, Sweave support
 @bHuang Ying
 @iE-mail: huangy () sh ! necas ! nec ! com ! cn
    Gtk frontend
diff --git a/lib/generate_contributions.py b/lib/generate_contributions.py
index a5c35a3c77..4e1cedbe13 100755
--- a/lib/generate_contributions.py
+++ b/lib/generate_contributions.py
@@ -1767,7 +1767,7 @@ contributers = [
                  "GPL Statement",
                  "m=130523685427995",
                  "3 June 2011",
-                 u"Bugfixing, Chinese translation"),
+                 u"Bugfixing, Chinese translation, Sweave support"),
 
      contributer(u"Huang Ying",
                  "huangy () sh ! necas ! nec ! com ! cn",