From 166a425b350cd17bdc388bc519bbd3b75a57cf50 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 2 Jul 2018 14:43:19 +0530
Subject: [PATCH] Add a note about commas in identifier values to the tooltip

---
 src/calibre/gui2/metadata/basic_widgets.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/gui2/metadata/basic_widgets.py b/src/calibre/gui2/metadata/basic_widgets.py
index 91b178096a..930435c4fd 100644
--- a/src/calibre/gui2/metadata/basic_widgets.py
+++ b/src/calibre/gui2/metadata/basic_widgets.py
@@ -1455,7 +1455,7 @@ class Identifiers(Dialog):
 class IdentifiersEdit(QLineEdit, ToMetadataMixin):
     LABEL = _('&Ids:')
     BASE_TT = _('Edit the identifiers for this book. '
-            'For example: \n\n%s')%(
+            'For example: \n\n%s\n\nIf an identifier value contains a comma, you can use the | character to represent it.')%(
             'isbn:1565927249, doi:10.1000/182, amazon:1565927249')
     FIELD_NAME = 'identifiers'