diff --git a/config/locales/ar.yml b/config/locales/ar.yml
index 074706d8c..4e5eabb8c 100644
--- a/config/locales/ar.yml
+++ b/config/locales/ar.yml
@@ -1560,3 +1560,5 @@ ar:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/az.yml b/config/locales/az.yml
index 35d583f5c..006e9ad4c 100644
--- a/config/locales/az.yml
+++ b/config/locales/az.yml
@@ -1651,3 +1651,5 @@ az:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/bg.yml b/config/locales/bg.yml
index a3d382d85..193febca2 100644
--- a/config/locales/bg.yml
+++ b/config/locales/bg.yml
@@ -1501,3 +1501,5 @@ bg:
   reaction_text_x_other_users:
     one: 1 друг
     other: "%{count} други"
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/bs.yml b/config/locales/bs.yml
index 9b262b2ed..6a1d0b88c 100644
--- a/config/locales/bs.yml
+++ b/config/locales/bs.yml
@@ -1546,3 +1546,5 @@ bs:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/ca.yml b/config/locales/ca.yml
index 2d22ce43a..77e6d6c67 100644
--- a/config/locales/ca.yml
+++ b/config/locales/ca.yml
@@ -1547,3 +1547,5 @@ ca:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/cs.yml b/config/locales/cs.yml
index 8cf80fb58..19a0e5fcd 100644
--- a/config/locales/cs.yml
+++ b/config/locales/cs.yml
@@ -1541,3 +1541,5 @@ cs:
   label_open_in_full_view: Úplné zobrazení
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/da.yml b/config/locales/da.yml
index 36996bd0c..435c851bf 100644
--- a/config/locales/da.yml
+++ b/config/locales/da.yml
@@ -1577,3 +1577,5 @@ da:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/el.yml b/config/locales/el.yml
index 5cba8847d..9a9284314 100644
--- a/config/locales/el.yml
+++ b/config/locales/el.yml
@@ -1560,3 +1560,5 @@ el:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/en-GB.yml b/config/locales/en-GB.yml
index b580664c7..4ebb3facd 100644
--- a/config/locales/en-GB.yml
+++ b/config/locales/en-GB.yml
@@ -1561,3 +1561,5 @@ en-GB:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/es-PA.yml b/config/locales/es-PA.yml
index 97e01e84e..c4787d901 100644
--- a/config/locales/es-PA.yml
+++ b/config/locales/es-PA.yml
@@ -1591,3 +1591,5 @@ es-PA:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 3ea8e96dc..1a47d2c53 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -1627,3 +1627,5 @@ es:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/et.yml b/config/locales/et.yml
index 98cd51ceb..b2071d7dd 100644
--- a/config/locales/et.yml
+++ b/config/locales/et.yml
@@ -1565,3 +1565,5 @@ et:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/eu.yml b/config/locales/eu.yml
index 8d4c96d20..6045d1ed9 100644
--- a/config/locales/eu.yml
+++ b/config/locales/eu.yml
@@ -1561,3 +1561,5 @@ eu:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/fa.yml b/config/locales/fa.yml
index 8c49bd4b0..2b22955da 100644
--- a/config/locales/fa.yml
+++ b/config/locales/fa.yml
@@ -1489,3 +1489,5 @@ fa:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/fi.yml b/config/locales/fi.yml
index 67a2409c0..29051b5f1 100644
--- a/config/locales/fi.yml
+++ b/config/locales/fi.yml
@@ -1578,3 +1578,5 @@ fi:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/gl.yml b/config/locales/gl.yml
index e97896ea6..6e3fe7471 100644
--- a/config/locales/gl.yml
+++ b/config/locales/gl.yml
@@ -1566,3 +1566,5 @@ gl:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/he.yml b/config/locales/he.yml
index 58aea26e5..5e1043595 100644
--- a/config/locales/he.yml
+++ b/config/locales/he.yml
@@ -1565,3 +1565,5 @@ he:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/hr.yml b/config/locales/hr.yml
index a2acad894..3a5bd13a4 100644
--- a/config/locales/hr.yml
+++ b/config/locales/hr.yml
@@ -1557,3 +1557,5 @@ hr:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/hu.yml b/config/locales/hu.yml
index 0fb62a1d6..c311386ce 100644
--- a/config/locales/hu.yml
+++ b/config/locales/hu.yml
@@ -1495,3 +1495,5 @@
   label_open_in_full_view: Megnyitás teljes nézetben
   text_pandoc_available: Pandoc elérhető (nem kötelező)
   label_user_mail_option_only_my_watches: Csak a figyelt dolgaimról
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/id.yml b/config/locales/id.yml
index 5ea37161a..3db4caef2 100644
--- a/config/locales/id.yml
+++ b/config/locales/id.yml
@@ -1562,3 +1562,5 @@ id:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/it.yml b/config/locales/it.yml
index 0aebb3582..6048b802d 100644
--- a/config/locales/it.yml
+++ b/config/locales/it.yml
@@ -1499,3 +1499,5 @@ it:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/ko.yml b/config/locales/ko.yml
index 5a136668b..f84b268d1 100644
--- a/config/locales/ko.yml
+++ b/config/locales/ko.yml
@@ -1577,3 +1577,5 @@ ko:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/lt.yml b/config/locales/lt.yml
index 3ee0f8fdf..fd4959ee1 100644
--- a/config/locales/lt.yml
+++ b/config/locales/lt.yml
@@ -1521,3 +1521,5 @@ lt:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/lv.yml b/config/locales/lv.yml
index 233389b87..d84895bab 100644
--- a/config/locales/lv.yml
+++ b/config/locales/lv.yml
@@ -1554,3 +1554,5 @@ lv:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/mk.yml b/config/locales/mk.yml
index 6c6a36a24..70c3ab024 100644
--- a/config/locales/mk.yml
+++ b/config/locales/mk.yml
@@ -1560,3 +1560,5 @@ mk:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/mn.yml b/config/locales/mn.yml
index 329ed1224..d76cfd50d 100644
--- a/config/locales/mn.yml
+++ b/config/locales/mn.yml
@@ -1560,3 +1560,5 @@ mn:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/nl.yml b/config/locales/nl.yml
index a240f7bf7..8737362bb 100644
--- a/config/locales/nl.yml
+++ b/config/locales/nl.yml
@@ -1535,3 +1535,5 @@ nl:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/no.yml b/config/locales/no.yml
index 04eedc237..3575007ba 100644
--- a/config/locales/no.yml
+++ b/config/locales/no.yml
@@ -1551,3 +1551,5 @@
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/pl.yml b/config/locales/pl.yml
index 6e316cd17..e024420bd 100644
--- a/config/locales/pl.yml
+++ b/config/locales/pl.yml
@@ -1504,3 +1504,5 @@ pl:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/pt-BR.yml b/config/locales/pt-BR.yml
index 173c2472c..3654a8c67 100644
--- a/config/locales/pt-BR.yml
+++ b/config/locales/pt-BR.yml
@@ -1565,3 +1565,5 @@ pt-BR:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/pt.yml b/config/locales/pt.yml
index 17040d9d8..9c828b0b1 100644
--- a/config/locales/pt.yml
+++ b/config/locales/pt.yml
@@ -1553,3 +1553,5 @@ pt:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/ro.yml b/config/locales/ro.yml
index c459a4340..95acbe7de 100644
--- a/config/locales/ro.yml
+++ b/config/locales/ro.yml
@@ -1555,3 +1555,5 @@ ro:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/ru.yml b/config/locales/ru.yml
index 06edd9101..e273217db 100644
--- a/config/locales/ru.yml
+++ b/config/locales/ru.yml
@@ -1627,3 +1627,5 @@ ru:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/sk.yml b/config/locales/sk.yml
index 51db78dcf..ebe5d8922 100644
--- a/config/locales/sk.yml
+++ b/config/locales/sk.yml
@@ -1549,3 +1549,5 @@ sk:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/sl.yml b/config/locales/sl.yml
index b238e8864..23f3f917a 100644
--- a/config/locales/sl.yml
+++ b/config/locales/sl.yml
@@ -1560,3 +1560,5 @@ sl:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/sq.yml b/config/locales/sq.yml
index 58316c825..aef64f06f 100644
--- a/config/locales/sq.yml
+++ b/config/locales/sq.yml
@@ -1522,3 +1522,5 @@ sq:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/sr-YU.yml b/config/locales/sr-YU.yml
index 0229a8c1f..fd1975b6b 100644
--- a/config/locales/sr-YU.yml
+++ b/config/locales/sr-YU.yml
@@ -1562,3 +1562,5 @@ sr-YU:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/sr.yml b/config/locales/sr.yml
index 9aba274ec..09ff3ac58 100644
--- a/config/locales/sr.yml
+++ b/config/locales/sr.yml
@@ -1561,3 +1561,5 @@ sr:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/sv.yml b/config/locales/sv.yml
index e7e17b91b..373cb9a71 100644
--- a/config/locales/sv.yml
+++ b/config/locales/sv.yml
@@ -1524,3 +1524,5 @@ sv:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/ta-IN.yml b/config/locales/ta-IN.yml
index 66d772f91..48dfba7f9 100644
--- a/config/locales/ta-IN.yml
+++ b/config/locales/ta-IN.yml
@@ -1515,3 +1515,5 @@ ta-IN:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/th.yml b/config/locales/th.yml
index e2285faa3..0b2ea574a 100644
--- a/config/locales/th.yml
+++ b/config/locales/th.yml
@@ -1556,3 +1556,5 @@ th:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/tr.yml b/config/locales/tr.yml
index 579c427b9..5f1a91adb 100644
--- a/config/locales/tr.yml
+++ b/config/locales/tr.yml
@@ -1559,3 +1559,5 @@ tr:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/uk.yml b/config/locales/uk.yml
index b3d4fdbc1..46ca62391 100644
--- a/config/locales/uk.yml
+++ b/config/locales/uk.yml
@@ -1548,3 +1548,5 @@ uk:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/vi.yml b/config/locales/vi.yml
index a5b6a0d67..6b1989a31 100644
--- a/config/locales/vi.yml
+++ b/config/locales/vi.yml
@@ -1564,3 +1564,5 @@ vi:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/zh-TW.yml b/config/locales/zh-TW.yml
index bde1b22c8..993b9ee17 100644
--- a/config/locales/zh-TW.yml
+++ b/config/locales/zh-TW.yml
@@ -1571,3 +1571,5 @@
   label_open_in_full_view: 以全頁模式開啟
   text_pandoc_available: 可使用 Pandoc (選配)
   label_user_mail_option_only_my_watches: 只提醒我監看中的事物
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index d4a8db306..d292bf4db 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -1496,3 +1496,5 @@ zh:
   label_open_in_full_view: Open in full view
   text_pandoc_available: Pandoc available (optional)
   label_user_mail_option_only_my_watches: Only for things I watch
+  label_last_used_on: 'Last used: %{value} ago'
+  label_never_used: Never used