diff --git a/Doc/lib/libshlex.tex b/Doc/lib/libshlex.tex
index cddae67..3a43648 100644
--- a/Doc/lib/libshlex.tex
+++ b/Doc/lib/libshlex.tex
@@ -15,6 +15,8 @@
 be useful for writing minilanguages, (for example, in run control
 files for Python applications) or for parsing quoted strings.
 
+\note{The \module{shlex} module currently does not support Unicode input.}
+
 The \module{shlex} module defines the following functions:
 
 \begin{funcdesc}{split}{s\optional{, comments}}