diff --git a/media/forms.py b/media/forms.py
index 7d86990..cb509f4 100644
--- a/media/forms.py
+++ b/media/forms.py
@@ -40,7 +40,7 @@ def generate_side_identifier(title, authors, subtitle=None):
     authors = authors.copy()
 
     def sort(author):
-        return str(-author.note) + author.name.split(" ")[-1] + ".{:05d}".format(author.pk)
+        return "{:042d}".format(-author.note) + author.name.split(" ")[-1] + ".{:042d}".format(author.pk)
 
     authors.sort(key=sort)
     primary_author = authors[0]
@@ -76,6 +76,15 @@ class MediaAdminForm(ModelForm):
         if isbn_field:
             isbn_field.widget.template_name = "media/isbn_button.html"
             isbn_field.widget.attrs.update({'autofocus': 'autofocus'})
+        side_identifier_field = self.fields.get('side_identifier')
+        if side_identifier_field and self.instance and self.instance.pk:
+            instance = self.instance
+            title, authors, subtitle = instance.title, instance.authors.all(), None
+            if hasattr(instance, "subtitle"):
+                subtitle = instance.subtitle
+            side_identifier_field.widget.attrs.update(
+                {'data-generated-side-identifier': generate_side_identifier(title, authors, subtitle)})
+            side_identifier_field.widget.template_name = "media/generate_side_identifier.html"
 
     def download_data_bedeteque(self, isbn):
         """
diff --git a/media/locale/fr/LC_MESSAGES/django.po b/media/locale/fr/LC_MESSAGES/django.po
index c75a7d3..901c200 100644
--- a/media/locale/fr/LC_MESSAGES/django.po
+++ b/media/locale/fr/LC_MESSAGES/django.po
@@ -3,7 +3,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-05-12 17:42+0200\n"
+"POT-Creation-Date: 2020-10-02 13:02+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -13,19 +13,20 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
 
-#: admin.py:32 models.py:29 models.py:62
+#: admin.py:34 admin.py:89 admin.py:100 models.py:29 models.py:65 models.py:130
+#: models.py:192 models.py:243 models.py:274
 msgid "authors"
 msgstr "auteurs"
 
-#: admin.py:42
+#: admin.py:44
 msgid "external url"
 msgstr "URL externe"
 
-#: admin.py:98
+#: admin.py:127
 msgid "Turn back"
 msgstr "Rendre"
 
-#: admin.py:101 models.py:135
+#: admin.py:130 models.py:407
 msgid "given back to"
 msgstr "rendu à"
 
@@ -33,11 +34,11 @@ msgstr "rendu à"
 msgid "ISBN-10 or ISBN-13"
 msgstr "ISBN-10 ou ISBN-13"
 
-#: forms.py:178
+#: forms.py:244
 msgid "This ISBN is not found."
 msgstr "L'ISBN n'a pas été trouvé."
 
-#: models.py:16 models.py:159
+#: models.py:16 models.py:431
 msgid "name"
 msgstr "nom"
 
@@ -49,123 +50,220 @@ msgstr "note"
 msgid "author"
 msgstr "auteur"
 
-#: models.py:35 models.py:89
+#: models.py:35 models.py:100 models.py:162 models.py:345
 msgid "ISBN"
 msgstr "ISBN"
 
-#: models.py:36 models.py:90
+#: models.py:36 models.py:101 models.py:163 models.py:346
 msgid "You may be able to scan it from a bar code."
 msgstr "Peut souvent être scanné à partir du code barre."
 
-#: models.py:42
+#: models.py:43 models.py:108 models.py:170 models.py:224 models.py:263
+#: models.py:294
 msgid "title"
 msgstr "titre"
 
-#: models.py:46
+#: models.py:48 models.py:113 models.py:175
 msgid "subtitle"
 msgstr "sous-titre"
 
-#: models.py:52
+#: models.py:54 models.py:119 models.py:181
 msgid "external URL"
 msgstr "URL externe"
 
-#: models.py:57
+#: models.py:59 models.py:124 models.py:186 models.py:229 models.py:268
 msgid "side identifier"
 msgstr "côte"
 
-#: models.py:65
+#: models.py:69 models.py:134 models.py:196
 msgid "number of pages"
 msgstr "nombre de pages"
 
-#: models.py:70
+#: models.py:75 models.py:140 models.py:202
 msgid "publish date"
 msgstr "date de publication"
 
-#: models.py:82
-msgid "medium"
-msgstr "medium"
+#: models.py:81 models.py:146 models.py:208 models.py:247 models.py:278
+#: models.py:329 models.py:363
+msgid "present"
+msgstr "présent"
 
-#: models.py:83
-msgid "media"
-msgstr "media"
+#: models.py:82 models.py:147 models.py:209 models.py:248 models.py:279
+#: models.py:330 models.py:364
+msgid "Tell that the medium is present in the Mediatek."
+msgstr "Indique que le medium est présent à la Mediatek."
 
-#: models.py:97
+#: models.py:93 models.py:355
+msgid "BD"
+msgstr "BD"
+
+#: models.py:94
+msgid "BDs"
+msgstr "BDs"
+
+#: models.py:155
+msgid "manga"
+msgstr "manga"
+
+#: models.py:156
+msgid "mangas"
+msgstr "mangas"
+
+#: models.py:217
+msgid "roman"
+msgstr "roman"
+
+#: models.py:218
+msgid "romans"
+msgstr "romans"
+
+#: models.py:234
+msgid "rounds per minute"
+msgstr "tours par minute"
+
+#: models.py:236
+msgid "33 RPM"
+msgstr "33 TPM"
+
+#: models.py:237
+msgid "45 RPM"
+msgstr "45 TPM"
+
+#: models.py:256
+msgid "vinyle"
+msgstr "vinyle"
+
+#: models.py:257
+msgid "vinyles"
+msgstr "vinyle"
+
+#: models.py:287
+msgid "CD"
+msgstr "CD"
+
+#: models.py:288
+msgid "CDs"
+msgstr "CDs"
+
+#: models.py:299
+msgid "number"
+msgstr "nombre"
+
+#: models.py:303
+msgid "year"
+msgstr "année"
+
+#: models.py:310
+msgid "month"
+msgstr "mois"
+
+#: models.py:317
+msgid "day"
+msgstr "jour"
+
+#: models.py:324
+msgid "double"
+msgstr "double"
+
+#: models.py:338
+msgid "revue"
+msgstr "revue"
+
+#: models.py:339
+msgid "revues"
+msgstr "revues"
+
+#: models.py:353
+msgid "type"
+msgstr "type"
+
+#: models.py:356
+msgid "Manga"
+msgstr "Manga"
+
+#: models.py:357
+msgid "Roman"
+msgstr "Roman"
+
+#: models.py:369
 msgid "future medium"
 msgstr "medium à importer"
 
-#: models.py:98
+#: models.py:370
 msgid "future media"
 msgstr "medias à importer"
 
-#: models.py:112
+#: models.py:384
 msgid "borrower"
 msgstr "emprunteur"
 
-#: models.py:115
+#: models.py:387
 msgid "borrowed on"
 msgstr "emprunté le"
 
-#: models.py:120
+#: models.py:392
 msgid "given back on"
 msgstr "rendu le"
 
-#: models.py:126
+#: models.py:398
 msgid "borrowed with"
 msgstr "emprunté avec"
 
-#: models.py:127
+#: models.py:399
 msgid "The keyholder that registered this borrowed item."
 msgstr "Le permanencier qui enregistre cet emprunt."
 
-#: models.py:136
+#: models.py:408
 msgid "The keyholder to whom this item was given back."
 msgstr "Le permanencier à qui l'emprunt a été rendu."
 
-#: models.py:143
+#: models.py:415
 msgid "borrowed item"
 msgstr "emprunt"
 
-#: models.py:144
+#: models.py:416
 msgid "borrowed items"
 msgstr "emprunts"
 
-#: models.py:164
+#: models.py:436
 msgid "owner"
 msgstr "propriétaire"
 
-#: models.py:169
+#: models.py:441
 msgid "duration"
 msgstr "durée"
 
-#: models.py:173
+#: models.py:445
 msgid "minimum number of players"
 msgstr "nombre minimum de joueurs"
 
-#: models.py:177
+#: models.py:449
 msgid "maximum number of players"
 msgstr "nombre maximum de joueurs"
 
-#: models.py:183
+#: models.py:454
 msgid "comment"
 msgstr "commentaire"
 
-#: models.py:190
+#: models.py:461
 msgid "game"
 msgstr "jeu"
 
-#: models.py:191
+#: models.py:462
 msgid "games"
 msgstr "jeux"
 
+#: templates/media/generate_side_identifier.html:3
+msgid "Generate side identifier"
+msgstr "Générer la cote"
+
 #: templates/media/isbn_button.html:3
 msgid "Fetch data and add another"
 msgstr "Télécharger les données et ajouter un nouveau medium"
 
 #: templates/media/isbn_button.html:4
-#, fuzzy
-#| msgid "Fetch data"
 msgid "Fetch only"
-msgstr "Télécharger uniquement les données"
+msgstr "Télécharger les données seulement"
 
 #: validators.py:18
 msgid "Invalid ISBN: Not a string"
@@ -179,6 +277,12 @@ msgstr "ISBN invalide : mauvaise longueur"
 msgid "Invalid ISBN: Only upper case allowed"
 msgstr "ISBN invalide : seulement les majuscules sont autorisées"
 
-#: views.py:44
+#: views.py:50
 msgid "Welcome to the Mediatek database"
 msgstr "Bienvenue sur la base de données de la Mediatek"
+
+#~ msgid "medium"
+#~ msgstr "medium"
+
+#~ msgid "media"
+#~ msgstr "media"
diff --git a/media/templates/media/generate_side_identifier.html b/media/templates/media/generate_side_identifier.html
new file mode 100644
index 0000000..2bfda32
--- /dev/null
+++ b/media/templates/media/generate_side_identifier.html
@@ -0,0 +1,3 @@
+{% load i18n %}
+{% include "django/forms/widgets/input.html" %}
+<a href="#" class="button" onclick="document.getElementById('{{ widget.attrs.id }}').value = document.getElementById('{{ widget.attrs.id }}').getAttribute('data-generated-side-identifier')">{% trans "Generate side identifier" %}</a>
diff --git a/media/templates/media/isbn_button.html b/media/templates/media/isbn_button.html
index 91eb7e9..88464af 100644
--- a/media/templates/media/isbn_button.html
+++ b/media/templates/media/isbn_button.html
@@ -1,4 +1,4 @@
 {% load i18n %}
 {% include "django/forms/widgets/input.html" %}
-<input type="submit" value="{% trans "Fetch data and add another" %}" name="_isbn_addanother">
-<input type="submit" value="{% trans "Fetch only" %}" name="_isbn">
\ No newline at end of file
+<input type="button" value="{% trans "Fetch data and add another" %}" name="_isbn_addanother" onclick="form.submit()">
+<input type="button" value="{% trans "Fetch only" %}" name="_isbn" onclick="form.submit()">
\ No newline at end of file
diff --git a/theme/templates/admin/base_site.html b/theme/templates/admin/base_site.html
index 69aebab..de19768 100644
--- a/theme/templates/admin/base_site.html
+++ b/theme/templates/admin/base_site.html
@@ -97,7 +97,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
             </form>
             <p>
                 Mediatek 2017-2020 &mdash;
-                <a href="mailto:club-med@crans.org">Nous contactez</a> &mdash;
+                <a href="mailto:club-med@crans.org">Nous contacter</a> &mdash;
                 <a href="{% url "api-root" %}">Explorer l'API</a>
             </p>
         </div>