in epiphany/po/mn.po:

#. Translators: The text before the "|" is context to help you decide on
#. * the correct translation. You MUST OMIT it in the translated string.
#. Translators: this topic contains all bookmarks
#: ../src/bookmarks/ephy-bookmarks.c:1074
msgid "bookmarks|All"
msgstr "Бүх|Тэмдэглэгээнүүд"

#. Translators: The text before the "|" is context to help you decide on
#. * the correct translation. You MUST OMIT it in the translated string.
#. Translators: this topic contains the most used bookmarks
#: ../src/bookmarks/ephy-bookmarks.c:1110
msgid "bookmarks|Most Visited"
msgstr "Тэмдэглэгээнүүд|Байнга зочилсон"

#. Translators: The text before the "|" is context to help you decide on
#. * the correct translation. You MUST OMIT it in the translated string.
#. Translators: this topic contains the not categorized bookmarks
#: ../src/bookmarks/ephy-bookmarks.c:1129
msgid "bookmarks|Not Categorized"
msgstr "Тэмдэглэгээ|Бүлэглэгдээгүй"

#. Translators: The text before the "|" is context to help you decide on
#. * the correct translation. You MUST OMIT it in the translated string.
#. * Translators: the first %s is the language name, and the
#. * second %s is the locale name. Example:
#. * "French (France)"
#.
#. Translators: The text before the "|" is context to help you decide on
#. * the correct translation. You MUST OMIT it in the translated string.
#: ../src/prefs-dialog.c:997 ../src/prefs-dialog.c:1005
#, c-format
msgid "language|%s (%s)"
msgstr "Хэлнүүд|%s (%s)"