diff --git a/Doc/lib/libposixpath.tex b/Doc/lib/libposixpath.tex
index c5f992b..7825639 100644
--- a/Doc/lib/libposixpath.tex
+++ b/Doc/lib/libposixpath.tex
@@ -123,7 +123,7 @@
 an absolute path, all previous components are thrown away, and joining
 continues.  The return value is the concatenation of \var{path1}, and
 optionally \var{path2}, etc., with exactly one directory separator
-(\code{os.sep}) inserted between components, unless \var{path} is
+(\code{os.sep}) inserted between components, unless \var{path2} is
 empty.  Note that on Windows, since there is a current directory for
 each drive, \function{os.path.join("c:", "foo")} represents a path
 relative to the current directory on drive \file{C:} (\file{c:foo}), not