[gthumb] Fix broken markup in Bulgarian UI translation

[Andre Klapper <aklapper src gnome org>]

commit c3e19884fc85974ec8bab7c35d11fb22ab08ff79
Author: Andre Klapper <a9016009 gmx de>
Date:   Sun Mar 1 13:35:56 2020 +0100

    Fix broken markup in Bulgarian UI translation

 po/bg.po | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po/bg.po b/po/bg.po
index f4b57c30..6cbde126 100644
--- a/po/bg.po
+++ b/po/bg.po
@@ -913,7 +913,7 @@ msgstr "<b>Запазване</b>"
 
 #: ../data/glade/gthumb_png_exporter.glade.h:21
 msgid "<small><i><b>Note:</b> # (enumerator)</i>.</small>"
-msgstr "<small><i><b>Бележка: # (брояч)</i>.</small>"
+msgstr "<small><i><b>Бележка:</b> # (брояч)</i>.</small>"
 
 #: ../data/glade/gthumb_png_exporter.glade.h:23
 #, no-c-format