diff --git a/Doc/lib/libcgi.tex b/Doc/lib/libcgi.tex
index 83e5e77..38798d4 100644
--- a/Doc/lib/libcgi.tex
+++ b/Doc/lib/libcgi.tex
@@ -351,6 +351,9 @@
 to do with parsing errors.  If false (the default), errors
 are silently ignored.  If true, errors raise a ValueError
 exception.
+
+Use the \function{\refmodule{cgi}.urlencode()} function to convert
+such lists of pairs into query strings.
 \end{funcdesc}
 
 \begin{funcdesc}{parse_multipart}{fp, pdict}
diff --git a/Doc/lib/liburllib.tex b/Doc/lib/liburllib.tex
index a36df6b..89e4cb3 100644
--- a/Doc/lib/liburllib.tex
+++ b/Doc/lib/liburllib.tex
@@ -211,6 +211,9 @@
 the first element of each tuple is a key and the second is a value.  The
 order of parameters in the encoded string will match the order of parameter
 tuples in the sequence.
+The \refmodule{cgi} module provides the functions
+\function{parse_qs()} and \function{parse_qsl()} which are used to
+parse query strings into Python data structures.
 \end{funcdesc}
 
 \begin{funcdesc}{pathname2url}{path}