diff --git a/Doc/lib/lib.tex b/Doc/lib/lib.tex
index dc8059a..0d202ac 100644
--- a/Doc/lib/lib.tex
+++ b/Doc/lib/lib.tex
@@ -70,6 +70,7 @@
 \input{libfuncs}
 \input{libstdtypes}
 \input{libexcs}
+\input{libconsts}
 
 \input{libpython}               % Python Runtime Services
 \input{libsys}