diff --git a/Cocotte/Modules/Activities/ActivityFormatter.cs b/Cocotte/Modules/Activities/ActivityFormatter.cs
index 5f5c4d4..49eb642 100644
--- a/Cocotte/Modules/Activities/ActivityFormatter.cs
+++ b/Cocotte/Modules/Activities/ActivityFormatter.cs
@@ -96,7 +96,7 @@ public class ActivityFormatter
         // Add time if specified
         if (activity.DueDateTime is { } dueDateTime)
         {
-            descriptionBuilder.AppendLine($"**:clock2: {TimestampTag.FormatFromDateTime(dueDateTime, TimestampTagStyles.ShortTime)} ― {(activity.IsClosed ? "Fermée" : TimestampTag.FormatFromDateTime(dueDateTime, TimestampTagStyles.Relative))}**");
+            descriptionBuilder.AppendLine($"**:clock2: {TimestampTag.FormatFromDateTime(dueDateTime, TimestampTagStyles.ShortTime)} ╿ {(activity.IsClosed ? "Fermée" : TimestampTag.FormatFromDateTime(dueDateTime, TimestampTagStyles.Relative))}**");
         }
         else
         {
@@ -112,7 +112,12 @@ public class ActivityFormatter
 
         // Add thread link
         descriptionBuilder.AppendLine();
-        descriptionBuilder.Append($"**[Fil associé]({ChannelUtils.GetChannelLink(activity.GuildId, activity.ThreadId)})**");
+        descriptionBuilder.Append(
+        $"""
+        **⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯**
+                                **[Fil associé]({ChannelUtils.GetChannelLink(activity.GuildId, activity.ThreadId)})**
+        **⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯**
+        """);
 
         string bannerUrl = GetActivityBanner(activity.Name);
 
diff --git a/Cocotte/Modules/Activities/ActivityModuleThread.cs b/Cocotte/Modules/Activities/ActivityModuleThread.cs
index 06eb08e..06c6289 100644
--- a/Cocotte/Modules/Activities/ActivityModuleThread.cs
+++ b/Cocotte/Modules/Activities/ActivityModuleThread.cs
@@ -174,6 +174,44 @@ public partial class ActivityModule
         await RespondAsync(pingMessageBuilder.ToString());
     }
 
+    [SlashCommand("description", "Changer la description de l'activité")]
+    public async Task ThreadChangeDescription()
+    {
+        // Get activity linked to this thread
+        var activity = _activitiesRepository.FindActivityByThreadId(Context.Channel.Id);
+
+        if (!await CheckCommandInThread(activity, checkCreator: true) || activity is null)
+        {
+            return;
+        }
+
+        // Open modal
+        await RespondWithModalAsync<ActivityDescriptionModal>("activity description_modal");
+    }
+
+    [ModalInteraction("activity description_modal", ignoreGroupNames: true)]
+    public async Task ActivityDescriptionSubmit(ActivityDescriptionModal descriptionModal)
+    {
+        // Get activity linked to this thread
+        var activity = _activitiesRepository.FindActivityByThreadId(Context.Channel.Id);
+
+        if (!await CheckCommandInThread(activity, checkCreator: true) || activity is null)
+        {
+            return;
+        }
+
+        // Update description
+        activity.Description = descriptionModal.Description;
+        await _activitiesRepository.SaveChanges();
+
+        await UpdateActivityEmbed(activity, ActivityUpdateReason.Update);
+
+        await RespondAsync(
+            ephemeral: true,
+            embed: EmbedUtils.InfoEmbed("**La description** a bien été changée").Build()
+        );
+    }
+
     private async Task<bool> CheckCommandInThread(Activity? activity, bool checkCreator = false)
     {
         // Check if activity is not null (means we are in a valid thread)
@@ -199,4 +237,13 @@ public partial class ActivityModule
 
         return true;
     }
+}
+
+public class ActivityDescriptionModal : IModal
+{
+    public string Title => "Nouvelle description";
+
+    [InputLabel("Description")]
+    [ModalTextInput("activity_description", TextInputStyle.Paragraph)]
+    public required string Description { get; set; }
 }
\ No newline at end of file
diff --git a/Cocotte/Program.cs b/Cocotte/Program.cs
index 7bdabe1..c33fd66 100644
--- a/Cocotte/Program.cs
+++ b/Cocotte/Program.cs
@@ -88,7 +88,7 @@ await using(var scope = host.Services.CreateAsyncScope())
     var dbContext = scope.ServiceProvider.GetRequiredService<CocotteDbContext>();
     if (hostEnvironment.IsDevelopment())
     {
-        await dbContext.Database.EnsureDeletedAsync();
+        // await dbContext.Database.EnsureDeletedAsync();
         await dbContext.Database.EnsureCreatedAsync();
     }
     else