diff --git a/machines/migrations/0086_auto_20180624_1254.py b/machines/migrations/0086_auto_20180624_1254.py
new file mode 100644
index 00000000..7474ac8b
--- /dev/null
+++ b/machines/migrations/0086_auto_20180624_1254.py
@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2018-06-24 10:54
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('machines', '0085_auto_20180623_1817'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='sshfingerprint',
+            old_name='hash_entry',
+            new_name='pub_key_entry',
+        ),
+        migrations.AlterField(
+            model_name='sshfingerprint',
+            name='comment',
+            field=models.CharField(blank=True, help_text='Commentaire', max_length=255, null=True),
+        ),
+        migrations.AlterField(
+            model_name='sshfingerprint',
+            name='pub_key_entry',
+            field=models.TextField(help_text='Clef publique ssh', max_length=2048),
+        ),
+    ]
diff --git a/machines/models.py b/machines/models.py
index 41d57a99..986fe4d9 100644
--- a/machines/models.py
+++ b/machines/models.py
@@ -201,14 +201,22 @@ class Machine(RevMixin, FieldPermissionModelMixin, models.Model):
         return str(self.user) + ' - ' + str(self.id) + ' - ' + str(self.name)
 
 class SshFingerprint(RevMixin, AclMixin, models.Model):
-    """Hash de la clef ssh d'une machine"""
+    """Stockage de la clef ssh publique d'une machine
+    et calcul de ses hash"""
 
-    PRETTY_NAME = "Fingerprint ssh"
+    PRETTY_NAME = "Clef publique ssh"
 
     machine = models.ForeignKey('Machine', on_delete=models.CASCADE)
-    hash_entry = models.TextField(max_length=512)
-    algo = models.ForeignKey('SshFprAlgo', on_delete=models.PROTECT)
+    pub_key_entry = models.TextField(
+        help_text="Clef publique ssh",
+        max_length=2048
+    )
+    algo = models.ForeignKey(
+        'SshFprAlgo',
+        on_delete=models.PROTECT
+    )
     comment = models.CharField(
+        help_text="Commentaire",
         max_length=255,
         null=True,
         blank=True