diff --git a/apps/participation/models.py b/apps/participation/models.py
index 2ec6233..804d811 100644
--- a/apps/participation/models.py
+++ b/apps/participation/models.py
@@ -194,7 +194,7 @@ class Phase(models.Model):
     )
 
     def __str__(self):
-        return _("Phase {phase_number:d} starts on {start:%Y-%m-%d %H:%M:} and ends on {end:%Y-%m-%d %H:%M}")\
+        return _("Phase {phase_number:d} starts on {start:%Y-%m-%d %H:%M} and ends on {end:%Y-%m-%d %H:%M}")\
             .format(phase_number=self.phase_number, start=self.start, end=self.end)
 
     class Meta:
diff --git a/locale/fr/LC_MESSAGES/django.po b/locale/fr/LC_MESSAGES/django.po
index 15fd018..93fd81b 100644
--- a/locale/fr/LC_MESSAGES/django.po
+++ b/locale/fr/LC_MESSAGES/django.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Corres2math\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-10-19 16:11+0200\n"
+"POT-Creation-Date: 2020-10-20 12:54+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: Yohann D'ANELLO <yohann.danello@animath.fr>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -99,7 +99,7 @@ msgstr "changelogs"
 msgid "Changelog of type \"{action}\" for model {model} at {timestamp}"
 msgstr "Changelog de type \"{action}\" pour le modèle {model} le {timestamp}"
 
-#: apps/participation/forms.py:14 apps/participation/models.py:24
+#: apps/participation/forms.py:14 apps/participation/models.py:25
 msgid "The trigram must be composed of three uppercase letters."
 msgstr "Le trigramme doit être composé de trois lettres majuscules."
 
@@ -115,28 +115,28 @@ msgstr "Je m'engage à participer à l'intégralité des Correspondances."
 msgid "Message to address to the team:"
 msgstr "Message à adresser à l'équipe :"
 
-#: apps/participation/models.py:17 apps/participation/tables.py:12
+#: apps/participation/models.py:18 apps/participation/tables.py:12
 #: apps/participation/tables.py:34 apps/participation/tables.py:60
 msgid "name"
 msgstr "nom"
 
-#: apps/participation/models.py:23 apps/participation/tables.py:39
+#: apps/participation/models.py:24 apps/participation/tables.py:39
 msgid "trigram"
 msgstr "trigramme"
 
-#: apps/participation/models.py:31
+#: apps/participation/models.py:32
 msgid "access code"
 msgstr "code d'accès"
 
-#: apps/participation/models.py:32
+#: apps/participation/models.py:33
 msgid "The access code let other people to join the team."
 msgstr "Le code d'accès permet aux autres participants de rejoindre l'équipe."
 
-#: apps/participation/models.py:36
+#: apps/participation/models.py:37
 msgid "Grant Animath to publish my video"
 msgstr "Autoriser Animath à publier ma vidéo"
 
-#: apps/participation/models.py:37
+#: apps/participation/models.py:38
 msgid ""
 "Give the authorisation to publish the video on the main website to promote "
 "the action."
@@ -144,84 +144,116 @@ msgstr ""
 "Donner l'autorisation de publier la vidéo sur le site principal pour "
 "promouvoir les Correspondances."
 
-#: apps/participation/models.py:64
+#: apps/participation/models.py:65
 #, python-brace-format
 msgid "Team {name} ({trigram})"
 msgstr "Équipe {name} ({trigram})"
 
-#: apps/participation/models.py:67 apps/participation/models.py:78
+#: apps/participation/models.py:68 apps/participation/models.py:79
 #: apps/registration/models.py:89 apps/registration/models.py:134
 msgid "team"
 msgstr "équipe"
 
-#: apps/participation/models.py:68
+#: apps/participation/models.py:69
 msgid "teams"
 msgstr "équipes"
 
-#: apps/participation/models.py:82
+#: apps/participation/models.py:83
 #, python-brace-format
 msgid "Problem #{problem:d}"
 msgstr "Problème n°{problem:d}"
 
-#: apps/participation/models.py:85 apps/participation/tables.py:17
+#: apps/participation/models.py:86 apps/participation/tables.py:17
 #: apps/participation/tables.py:44
 msgid "problem number"
 msgstr "numéro de problème"
 
-#: apps/participation/models.py:91 apps/participation/models.py:142
+#: apps/participation/models.py:92 apps/participation/models.py:143
 msgid "valid"
 msgstr "valide"
 
-#: apps/participation/models.py:92 apps/participation/models.py:143
+#: apps/participation/models.py:93 apps/participation/models.py:144
 msgid "The video got the validation of the administrators."
 msgstr "La vidéo a été validée par les administrateurs."
 
-#: apps/participation/models.py:101
+#: apps/participation/models.py:102
 msgid "solution video"
 msgstr "vidéo de solution"
 
-#: apps/participation/models.py:110
+#: apps/participation/models.py:111
 msgid "received participation"
 msgstr "participation reçue"
 
-#: apps/participation/models.py:119
+#: apps/participation/models.py:120
 msgid "synthesis video"
 msgstr "vidéo de synthèse"
 
-#: apps/participation/models.py:126
+#: apps/participation/models.py:127
 #, python-brace-format
 msgid "Participation of the team {name} ({trigram})"
 msgstr "Participation de l'équipe {name} ({trigram})"
 
-#: apps/participation/models.py:129
+#: apps/participation/models.py:130
 msgid "participation"
 msgstr "participation"
 
-#: apps/participation/models.py:130
+#: apps/participation/models.py:131
 msgid "participations"
 msgstr "participations"
 
-#: apps/participation/models.py:135
+#: apps/participation/models.py:136
 msgid "link"
 msgstr "lien"
 
-#: apps/participation/models.py:136
+#: apps/participation/models.py:137
 msgid "The full video link."
 msgstr "Le lien complet de la vidéo."
 
-#: apps/participation/models.py:165
+#: apps/participation/models.py:166
 #, python-brace-format
 msgid "Video of team {name} ({trigram})"
 msgstr "Vidéo de l'équipe {name} ({trigram})"
 
-#: apps/participation/models.py:169
+#: apps/participation/models.py:170
 msgid "video"
 msgstr "vidéo"
 
-#: apps/participation/models.py:170
+#: apps/participation/models.py:171
 msgid "videos"
 msgstr "vidéos"
 
+#: apps/participation/models.py:178
+msgid "phase number"
+msgstr "numéro de phase"
+
+#: apps/participation/models.py:183
+msgid "phase description"
+msgstr "description"
+
+#: apps/participation/models.py:187
+msgid "start date of the given phase"
+msgstr "début de la phase"
+
+#: apps/participation/models.py:192
+msgid "end date of the given phase"
+msgstr "fin de la phase"
+
+#: apps/participation/models.py:197
+msgid ""
+"Phase {phase_number:d} starts on {start:%Y-%m-%d %H:%M} and ends on {end:%Y-"
+"%m-%d %H:%M}"
+msgstr ""
+"Phase {phase_number:d} démarrant le {start:%d/%m/%Y %H:%M} et finissant le "
+"{end:%d/%m/%Y %H:%M}"
+
+#: apps/participation/models.py:201
+msgid "phase"
+msgstr "phase"
+
+#: apps/participation/models.py:202
+msgid "phases"
+msgstr "phases"
+
 #: apps/participation/templates/participation/create_team.html:11
 #: templates/base.html:220
 msgid "Create"
@@ -536,10 +568,8 @@ msgid "admin registrations"
 msgstr "inscriptions d'administrateur"
 
 #: apps/registration/tables.py:11
-#, fuzzy
-#| msgid "Last name:"
 msgid "last name"
-msgstr "Nom de famille :"
+msgstr "nom de famille"
 
 #: apps/registration/templates/registration/email_validation_complete.html:15
 msgid "Your email have successfully been validated."