diff --git a/Doc/lib/libpickle.tex b/Doc/lib/libpickle.tex
index 194a717..959225d 100644
--- a/Doc/lib/libpickle.tex
+++ b/Doc/lib/libpickle.tex
@@ -310,7 +310,7 @@
 
 \begin{itemize}
 
-\item \code{None}
+\item \code{None}, \code{True}, and \code{False}
 
 \item integers, long integers, floating point numbers, complex numbers