diff --git a/docs/toback24.txt b/docs/toback24.txt
index a45bdf7828..72859d77f1 100644
--- a/docs/toback24.txt
+++ b/docs/toback24.txt
@@ -490,3 +490,18 @@ Checking in src/gtk/textctrl.cpp;
 /pack/cvsroots/wxwindows/wxWindows/src/gtk/textctrl.cpp,v  <--  textctrl.cpp
 new revision: 1.154; previous revision: 1.153
 
+43. Implement wxExecute with proper callback on Mac OS X
+
+Checking in include/wx/unix/execute.h;
+/pack/cvsroots/wxwindows/wxWindows/include/wx/unix/execute.h,v  <--  execute.h
+new revision: 1.2; previous revision: 1.1
+done
+Checking in src/unix/utilsunx.cpp;
+/pack/cvsroots/wxwindows/wxWindows/src/unix/utilsunx.cpp,v  <--  utilsunx.cpp
+new revision: 1.91; previous revision: 1.90
+done
+Checking in src/mac/utilsexc.cpp;
+/pack/cvsroots/wxwindows/wxWindows/src/mac/utilsexc.cpp,v  <--  utilsexc.cpp
+new revision: 1.11; previous revision: 1.10
+done
+