[LyX/master] laypaperview.py: Fix program description

[Juergen Spitzmueller]

commit 7097c4e6b1adebb80af79faa9d72c76a5cdee9a5
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Mon Aug 24 15:41:52 2020 +0200

    laypaperview.py: Fix program description
---
 lib/scripts/lyxpaperview.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/lib/scripts/lyxpaperview.py b/lib/scripts/lyxpaperview.py
index 665d114..e370c95 100755
--- a/lib/scripts/lyxpaperview.py
+++ b/lib/scripts/lyxpaperview.py
@@ -32,7 +32,7 @@ def error(message):
 
 def usage(prog_name):
     msg = "Usage: %s [-v pdfviewer] [-w psviewer] titletoken-1 [titletoken-2] ... [titletoken-n]\n" \
-          "    Each title token must occur in any position of the filename.\n" \
+          "    Each title token must occur in the filename (at an arbitrary position).\n" \
           "    You might use quotes to enter multi-word tokens"
     return  msg % prog_name