Bug #1705717: error in sys.argv docs.
diff --git a/Doc/lib/libsys.tex b/Doc/lib/libsys.tex
index c0aa238..396c91a 100644
--- a/Doc/lib/libsys.tex
+++ b/Doc/lib/libsys.tex
@@ -15,8 +15,8 @@
whether this is a full pathname or not). If the command was
executed using the \programopt{-c} command line option to the
interpreter, \code{argv[0]} is set to the string \code{'-c'}. If no
- script name was passed to the Python interpreter, \code{argv} has
- zero length.
+ script name was passed to the Python interpreter, \code{argv[0]} is
+ the empty string.
\end{datadesc}
\begin{datadesc}{byteorder}