ePub: update doc for running script.

diff --git a/lib/scripts/docbook2epub.py b/lib/scripts/docbook2epub.py
index 8331f616d3bda1aa7b035bb959ca49ec21848405..da2fbf989724df5b63f42178fc9dee94dd263e96 100644 (file)
--- a/lib/scripts/docbook2epub.py
+++ b/lib/scripts/docbook2epub.py
@@ -9,7 +9,7 @@
 # Full author contact details are available in file CREDITS
 
 # Usage:
-#   python docbook2epub.py in.docbook out.epub
+#   python docbook2epub.py java_binary in.docbook out.epub
 
 from __future__ import print_function