diff --git a/contrib/copy_attach_detach_tags.lua b/contrib/copy_attach_detach_tags.lua
index 43b40e2..d4ab57d 100644
--- a/contrib/copy_attach_detach_tags.lua
+++ b/contrib/copy_attach_detach_tags.lua
@@ -112,7 +112,7 @@ local function mcopy_tags()
 local function attach_tags()
 
   if next(image_tags) == nil then
-    dt.print(_('No tags to attached, please copy tags first.'))
+    dt.print(_('No tag to attach, please copy tags first.'))
     return true
   end
 
@@ -163,7 +163,7 @@ end
 
 local function install_module()
   if not cadt.module_installed then
-    dt.register_lib("tagging_addon","Tagging addon",true,true,{
+    dt.register_lib("tagging_addon",_('tagging addon'),true,true,{
         [dt.gui.views.lighttable] = {"DT_UI_CONTAINER_PANEL_RIGHT_CENTER",500}
         },
         dt.new_widget("box") {
@@ -194,22 +194,25 @@ local taglabel = dt.new_widget("label") {
 local box1 = dt.new_widget("box"){
                   orientation = "horizontal",
                   dt.new_widget("button") {
-                  label = _('multi copy tags'),
-                  clicked_callback = mcopy_tags},
+                    label = _('multi copy tags'),
+                    tooltip = _('copy tags from selected image(s)'),
+                    clicked_callback = mcopy_tags},
                   dt.new_widget("button") {
-                  label = _('paste tags'),
-                  clicked_callback = attach_tags}
-
+		    tooltip = _('paste tags to selected image(s)'),
+                    label = _('paste tags'),
+                    clicked_callback = attach_tags}
                   }
 
 local box2 = dt.new_widget("box"){
                   orientation = "horizontal",
                   dt.new_widget("button") {
-                  label = _('replace tags'),
-                  clicked_callback = replace_tags},
+                    label = _('replace tags'),
+		    tooltip = _('replace tags from selected image(s)'),
+                    clicked_callback = replace_tags},
                   dt.new_widget("button") {
-                  label = _('remove all tags'),
-                  clicked_callback = detach_tags}
+                    label = _('remove all tags'),
+		    tooltip = _('remove tags from selected image(s)'),
+                    clicked_callback = detach_tags}
                   }
 
 local sep = dt.new_widget("separator"){}
diff --git a/locale/fr_FR/LC_MESSAGES/copy_attach_detach_tags.po b/locale/fr_FR/LC_MESSAGES/copy_attach_detach_tags.po
new file mode 100644
index 0000000..f7ee47e
--- /dev/null
+++ b/locale/fr_FR/LC_MESSAGES/copy_attach_detach_tags.po
@@ -0,0 +1,78 @@
+# French messages for copy_attach_detach_tags.lua
+# Christophe Agathon <christophe.agathon@gmail.com>, 2021
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"POT-Creation-Date: 2021-01-10 19:39+0100\n"
+"PO-Revision-Date: 2021-01-10 19:43+0100\n"
+"Last-Translator: Christophe Agathon <christophe.agathon@gmail.com>\n"
+"Language-Team: \n"
+"Language: fr_FR\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 2.3\n"
+"X-Poedit-Basepath: ../../../contrib\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+"X-Poedit-KeywordsList: _\n"
+"X-Poedit-SearchPath-0: copy_attach_detach_tags.lua\n"
+
+#: copy_attach_detach_tags.lua:93
+msgid "Image tags copied ..."
+msgstr "Mots-clés de l'image copiés ..."
+
+#: copy_attach_detach_tags.lua:115
+msgid "No tag to attach, please copy tags first."
+msgstr "Pas de mot-clé à attacher, veuillez d'abord copier les mots-clés."
+
+#: copy_attach_detach_tags.lua:139
+msgid "Tags attached ..."
+msgstr "Mots-clés attachés ..."
+
+#: copy_attach_detach_tags.lua:155
+msgid "Tags removed from image(s)."
+msgstr "Mots-clés supprimés des images."
+
+#: copy_attach_detach_tags.lua:161
+msgid "Tags replaced"
+msgstr "Mots-clés remplacés"
+
+#: copy_attach_detach_tags.lua:166
+msgid "tagging addon"
+msgstr "mots-clés extra"
+
+#: copy_attach_detach_tags.lua:189
+msgid "tag clipboard"
+msgstr "presse-papier des mots-clés"
+
+#: copy_attach_detach_tags.lua:197
+msgid "multi copy tags"
+msgstr "copier mots-clés"
+
+#: copy_attach_detach_tags.lua:198 copy_attach_detach_tags.lua:252
+msgid "copy tags from selected image(s)"
+msgstr "copier les mots-clés des images sélectionnnées"
+
+#: copy_attach_detach_tags.lua:201 copy_attach_detach_tags.lua:257
+msgid "paste tags to selected image(s)"
+msgstr "coller les mots clés dans les images sélectionnées"
+
+#: copy_attach_detach_tags.lua:202
+msgid "paste tags"
+msgstr "coller mots-clés"
+
+#: copy_attach_detach_tags.lua:210
+msgid "replace tags"
+msgstr "remplacer mots-clés"
+
+#: copy_attach_detach_tags.lua:211 copy_attach_detach_tags.lua:267
+msgid "replace tags from selected image(s)"
+msgstr "remplacer les mots-clés des images sélectionnées"
+
+#: copy_attach_detach_tags.lua:214
+msgid "remove all tags"
+msgstr "supprimer tous mots-clés"
+
+#: copy_attach_detach_tags.lua:215 copy_attach_detach_tags.lua:262
+msgid "remove tags from selected image(s)"
+msgstr "supprimer les mots-clés des images sélectionnées"