diff --git a/Doc/lib/libundoc.tex b/Doc/lib/libundoc.tex
index a7c10992e13..b391a4987cc 100644
--- a/Doc/lib/libundoc.tex
+++ b/Doc/lib/libundoc.tex
@@ -38,6 +38,8 @@ Some of these are very old and/or not very robust; marked with ``hmm''.
 
 calendar.py -- Calendar printing functions
 
+ConfigParser.py -- Parse a file of sectioned configuration parameters
+
 cmp.py -- Efficiently compare files
 
 cmpcache.py -- Efficiently compare files (uses statcache)
diff --git a/Doc/libundoc.tex b/Doc/libundoc.tex
index a7c10992e13..b391a4987cc 100644
--- a/Doc/libundoc.tex
+++ b/Doc/libundoc.tex
@@ -38,6 +38,8 @@ Some of these are very old and/or not very robust; marked with ``hmm''.
 
 calendar.py -- Calendar printing functions
 
+ConfigParser.py -- Parse a file of sectioned configuration parameters
+
 cmp.py -- Efficiently compare files
 
 cmpcache.py -- Efficiently compare files (uses statcache)