diff --git a/Doc/lib/lib.tex b/Doc/lib/lib.tex
index 3e8cab1..9cd765d 100644
--- a/Doc/lib/lib.tex
+++ b/Doc/lib/lib.tex
@@ -234,6 +234,7 @@
 \input{librobotparser}
 
 \input{markup}                  % Structured Markup Processing Tools
+\input{libhtmlparser}
 \input{libsgmllib}
 \input{libhtmllib}
 \input{libpyexpat}