From 94b0d8202912cde433cd92175d88c034e4697a67 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 14 Jul 2016 09:16:03 +0530
Subject: [PATCH] ...

---
 src/calibre/customize/builtins.py | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/calibre/customize/builtins.py b/src/calibre/customize/builtins.py
index 6392bdf65d..428b9bab61 100644
--- a/src/calibre/customize/builtins.py
+++ b/src/calibre/customize/builtins.py
@@ -436,9 +436,11 @@ class EPUBMetadataWriter(MetadataWriterPlugin):
         set_metadata(stream, mi, apply_null=self.apply_null, force_identifiers=self.force_identifiers, add_missing_cover='disable-add-missing-cover' != q)
 
     def customization_help(self, gui=False):
-        return _('Enter {0}{1}{2} below to have the EPUB metadata writer plugin not'
-                 ' add cover images to EPUB files that have no existing cover image.').format(
-                     '<i>' if gui else '', 'disable-add-missing-cover', '</i>' if gui else '')
+        h = 'disable-add-missing-cover'
+        if gui:
+            h = '<i>' + h + '</i>'
+        return _('Enter {0} below to have the EPUB metadata writer plugin not'
+                 ' add cover images to EPUB files that have no existing cover image.').format(h)
 
 class FB2MetadataWriter(MetadataWriterPlugin):