diff --git a/documentation/glut.html b/documentation/glut.html
index b1addffac..70f601640 100644
--- a/documentation/glut.html
+++ b/documentation/glut.html
@@ -27,6 +27,7 @@ compile:
 <LI><TT>glutVideoResize()</TT> missing. </LI>
 <LI><TT>glutWarpPointer()</TT></LI>
 <LI><TT>glutWindowStatusFunc()</TT></LI>
+<LI><TT>glutKeyboardUpFunc()</TT></LI>
 <LI>Spaceball, buttonbox, dials, and tablet functions</LI>
 </UL>
  Most of the symbols/enumerations have different values than GLUT uses.