Add entry for poplib.
diff --git a/Doc/lib/libwww.tex b/Doc/lib/libwww.tex
index 9494e47..5e698e4 100644
--- a/Doc/lib/libwww.tex
+++ b/Doc/lib/libwww.tex
@@ -30,6 +30,9 @@
 \item[gopherlib]
 --- Gopher protocol client (requires sockets).
 
+\item[poplib]
+--- POP3 protocol client (requires sockets).
+
 \item[imaplib]
 --- IMAP4 protocol client (requires sockets).
 
diff --git a/Doc/libwww.tex b/Doc/libwww.tex
index 9494e47..5e698e4 100644
--- a/Doc/libwww.tex
+++ b/Doc/libwww.tex
@@ -30,6 +30,9 @@
 \item[gopherlib]
 --- Gopher protocol client (requires sockets).
 
+\item[poplib]
+--- POP3 protocol client (requires sockets).
+
 \item[imaplib]
 --- IMAP4 protocol client (requires sockets).