diff --git a/docs/units.tex b/docs/units.tex
index 42db8bc4c8..8b535c5f38 100644
--- a/docs/units.tex
+++ b/docs/units.tex
@@ -90,12 +90,16 @@ lookup.
 \input{go32.tex}
 % The graph unit
 \input{graph.tex}
+% The HeapTrc unit
+\input{heaptrc}
 % the Linux unit
 \input{linux.tex}
 % The MMX unit
 \input{mmx.tex}
 % The mouse unit
 \input{mouse.tex}
+% the objects unit
+\input{objects.tex}
 % the printer unit
 \input{printer.tex}
 % the sockets unit