diff --git a/machines/migrations/0079_auto_20180416_0107.py b/machines/migrations/0079_auto_20180416_0107.py
new file mode 100644
index 00000000..df73f74b
--- /dev/null
+++ b/machines/migrations/0079_auto_20180416_0107.py
@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2018-04-15 23:07
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+def rename_permission_soa_to_srv(apps, schema_editor):
+    Permission = apps.get_model('auth', 'Permission')
+    # The Permission called 'view_soa' but in the Srv object
+    try:
+        to_rename = Permission.objects.get(
+            codename='view_soa',
+            content_type__model='srv'
+        )
+    except Permission.DoesNotExist:
+        # The permission is missing so no problem
+        pass
+    else:
+        to_rename.name = 'Peut voir un object srv'
+        to_rename.codename = 'view_srv'
+        to_rename.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('machines', '0078_auto_20180415_1252'),
+    ]
+
+    operations = [
+        migrations.RunPython(rename_permission_soa_to_srv),
+        migrations.AlterModelOptions(
+            name='srv',
+            options={'permissions': (('view_srv', 'Peut voir un objet srv'),)},
+        ),
+    ]
diff --git a/machines/models.py b/machines/models.py
index 4282d1f5..9ed973f2 100644
--- a/machines/models.py
+++ b/machines/models.py
@@ -698,7 +698,7 @@ class Srv(RevMixin, AclMixin, models.Model):
 
     class Meta:
         permissions = (
-            ("view_soa", "Peut voir un objet soa"),
+            ("view_srv", "Peut voir un objet srv"),
         )
 
     def __str__(self):
diff --git a/preferences/templates/preferences/display_preferences.html b/preferences/templates/preferences/display_preferences.html
index f43e9696..99e3e14f 100644
--- a/preferences/templates/preferences/display_preferences.html
+++ b/preferences/templates/preferences/display_preferences.html
@@ -190,7 +190,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
         </tr>
         <tr>
 	    <th>Description de l'association</th>
-            <td>{{ assooptions.description }}</td>
+            <td colspan="3">{{ assooptions.description | safe }}</td>
         </tr>
 
     </table>
diff --git a/re2o/templates/re2o/about.html b/re2o/templates/re2o/about.html
index ac101031..8e88f5bb 100644
--- a/re2o/templates/re2o/about.html
+++ b/re2o/templates/re2o/about.html
@@ -30,7 +30,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 {% block content %}
     <h2>{% blocktrans %}About {{AssoName}}{% endblocktrans %}</h2>
-    {{ description }}
+    {{ description | safe }}
 
     <h2>{% trans "About Re2o" %}</h2>
     <p>{% blocktrans %}
diff --git a/topologie/migrations/0059_auto_20180415_2249.py b/topologie/migrations/0059_auto_20180415_2249.py
new file mode 100644
index 00000000..a58b710d
--- /dev/null
+++ b/topologie/migrations/0059_auto_20180415_2249.py
@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2018-04-16 03:49
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('topologie', '0058_remove_switch_location'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='switch',
+            name='model',
+            field=models.ForeignKey(blank=True, help_text='Modèle du switch', null=True, on_delete=django.db.models.deletion.SET_NULL, to='topologie.ModelSwitch'),
+        ),
+        migrations.AlterField(
+            model_name='switch',
+            name='number',
+            field=models.PositiveIntegerField(help_text='Nombre de ports'),
+        ),
+        migrations.AlterField(
+            model_name='switch',
+            name='stack_member_id',
+            field=models.PositiveIntegerField(blank=True, help_text='Baie de brassage du switch', null=True),
+        ),
+        migrations.AlterField(
+            model_name='switch',
+            name='switchbay',
+            field=models.ForeignKey(blank=True, help_text='Baie de brassage du switch', null=True, on_delete=django.db.models.deletion.SET_NULL, to='topologie.SwitchBay'),
+        ),
+    ]
diff --git a/topologie/models.py b/topologie/models.py
index d8ff2d71..23b72b75 100644
--- a/topologie/models.py
+++ b/topologie/models.py
@@ -121,25 +121,33 @@ class Switch(AclMixin, Machine):
     id_max de la stack parente"""
     PRETTY_NAME = "Switch / Commutateur"
 
-    number = models.PositiveIntegerField()
+    number = models.PositiveIntegerField(
+        help_text="Nombre de ports"
+    )
     stack = models.ForeignKey(
         'topologie.Stack',
         blank=True,
         null=True,
         on_delete=models.SET_NULL
         )
-    stack_member_id = models.PositiveIntegerField(blank=True, null=True)
+    stack_member_id = models.PositiveIntegerField(
+        blank=True,
+        null=True,
+        help_text="Baie de brassage du switch"
+    )
     model = models.ForeignKey(
         'topologie.ModelSwitch',
         blank=True,
         null=True,
-        on_delete=models.SET_NULL
+        on_delete=models.SET_NULL,
+        help_text="Modèle du switch"
     )
     switchbay = models.ForeignKey(
         'topologie.SwitchBay',
         blank=True,
         null=True,
-        on_delete=models.SET_NULL
+        on_delete=models.SET_NULL,
+        help_text="Baie de brassage du switch"
     )
 
     class Meta: