diff --git a/Doc/lib/libimaplib.tex b/Doc/lib/libimaplib.tex
index a9b0df58f77..73baddc945e 100644
--- a/Doc/lib/libimaplib.tex
+++ b/Doc/lib/libimaplib.tex
@@ -63,6 +63,7 @@ The following utility functions are defined:
 
 
 \subsection{IMAP4 Objects}
+\label{imap4-objects}
 
 All IMAP4rev1 commands are represented by methods of the same name,
 either upper-case or lower-case.
@@ -203,6 +204,7 @@ each command.
 
 
 \subsection{IMAP4 Example}
+\label{imap4-example}
 
 Here is a minimal example (without error checking) that opens a
 mailbox and retrieves and prints all messages:
diff --git a/Doc/libimaplib.tex b/Doc/libimaplib.tex
index a9b0df58f77..73baddc945e 100644
--- a/Doc/libimaplib.tex
+++ b/Doc/libimaplib.tex
@@ -63,6 +63,7 @@ The following utility functions are defined:
 
 
 \subsection{IMAP4 Objects}
+\label{imap4-objects}
 
 All IMAP4rev1 commands are represented by methods of the same name,
 either upper-case or lower-case.
@@ -203,6 +204,7 @@ each command.
 
 
 \subsection{IMAP4 Example}
+\label{imap4-example}
 
 Here is a minimal example (without error checking) that opens a
 mailbox and retrieves and prints all messages: