diff --git a/decidim-core/app/cells/decidim/group_admins/show.erb b/decidim-core/app/cells/decidim/group_admins/show.erb
index 0b4e1323d2e44..70988640343cb 100644
--- a/decidim-core/app/cells/decidim/group_admins/show.erb
+++ b/decidim-core/app/cells/decidim/group_admins/show.erb
@@ -21,7 +21,7 @@
       <%= link_to(
         decidim.demote_group_manage_user_path(model.nickname, membership),
         method: :post,
-        data: { confirm: t("decidim.group_admins.actions.are_you_sure") },
+        data: { confirm: t("decidim.group_admins.actions.confirm_remove_from_admin") },
         class: "button button__sm button__transparent-secondary"
       ) do %>
         <span><%= t("decidim.group_admins.actions.demote_admin") %></span>
diff --git a/decidim-core/app/cells/decidim/group_members/show.erb b/decidim-core/app/cells/decidim/group_members/show.erb
index bb4a317b20e38..1a04a8f883f9f 100644
--- a/decidim-core/app/cells/decidim/group_members/show.erb
+++ b/decidim-core/app/cells/decidim/group_members/show.erb
@@ -24,14 +24,14 @@
         t("decidim.group_members.actions.promote_to_admin"),
         decidim.promote_group_manage_user_path(model.nickname, membership),
         method: :post,
-        data: { confirm: t("decidim.group_members.actions.are_you_sure") },
+        data: { confirm: t("decidim.group_members.actions.confirm_promote_to_admin") },
         class: "button button__sm button__transparent-secondary"
       ) %>
 
       <%= link_to(
         decidim.group_manage_user_path(model.nickname, membership),
         method: :delete,
-        data: { confirm: t("decidim.group_members.actions.are_you_sure") },
+        data: { confirm: t("decidim.group_members.actions.confirm_remove_from_group") },
         class: "button button__sm button__transparent-secondary"
       ) do %>
         <span><%= t("decidim.group_members.actions.remove_from_group") %></span>
diff --git a/decidim-core/app/packs/stylesheets/decidim/_modal.scss b/decidim-core/app/packs/stylesheets/decidim/_modal.scss
index d5f937761663a..8f62b8029371b 100644
--- a/decidim-core/app/packs/stylesheets/decidim/_modal.scss
+++ b/decidim-core/app/packs/stylesheets/decidim/_modal.scss
@@ -18,7 +18,7 @@
   }
 
   [data-dialog-container] {
-    @apply grid grid-cols-[auto_1fr] items-start md:items-center gap-2 text-left;
+    @apply flex flex-col items-start gap-2 text-left;
 
     > svg {
       @apply w-6 h-6 text-gray fill-current flex-none;
diff --git a/decidim-core/app/views/decidim/shared/_confirm_modal.html.erb b/decidim-core/app/views/decidim/shared/_confirm_modal.html.erb
index b51913c268f7e..619de26d44180 100644
--- a/decidim-core/app/views/decidim/shared/_confirm_modal.html.erb
+++ b/decidim-core/app/views/decidim/shared/_confirm_modal.html.erb
@@ -1,8 +1,10 @@
 <%= decidim_modal id: "confirm-modal" do %>
   <div data-dialog-container>
-    <%= icon "delete-bin-line" %>
-    <h2 class="h2" data-dialog-title id="dialog-title-confirm-modal"><%= t("title", scope: "decidim.shared.confirm_modal") %></h2>
-
+  <% if @title_key == "group_admins" %>
+    <h2 class="h2" data-dialog-title id="dialog-title-confirm-modal"><%= t("title_remove", scope: "decidim.group_members.actions.confirm_modal") %></h2>
+  <% else %>
+    <h2 class="h2" data-dialog-title id="dialog-title-confirm-modal"><%= t("title_add", scope: "decidim.group_members.actions.confirm_modal") %></h2>
+  <% end %>
     <div data-confirm-modal-content></div>
   </div>
 
@@ -11,7 +13,11 @@
       <span><%= t("cancel", scope: "decidim.shared.confirm_modal") %></span>
     </button>
     <button class="button button__lg button__secondary" data-confirm-ok>
-      <span><%= t("ok", scope: "decidim.shared.confirm_modal") %></span>
+    <% if @title_key == "group_admins" %>
+      <span><%= t("ok_remove", scope: "decidim.group_members.actions.confirm_modal") %></span>
+    <% else %>
+      <span><%= t("ok_add", scope: "decidim.group_members.actions.confirm_modal") %></span>
+    <% end %>
     </button>
   </div>
 <% end %>
diff --git a/decidim-core/config/locales/en.yml b/decidim-core/config/locales/en.yml
index 836c6b84071db..b01802154ec04 100644
--- a/decidim-core/config/locales/en.yml
+++ b/decidim-core/config/locales/en.yml
@@ -1104,7 +1104,7 @@ en:
       title: What are the badges?
     group_admins:
       actions:
-        are_you_sure: Are you sure? This will not remove the participant from the group.
+        confirm_remove_from_admin: Are you sure you want to remove the administrator from this group?
         demote_admin: Remove admin
       demote:
         error: There was a problem removing this participant from the admins list.
@@ -1134,7 +1134,13 @@ en:
         error: There was a problem accepting this join request.
         success: Join request successfully accepted.
       actions:
-        are_you_sure: Are you sure?
+        confirm_modal: 
+          title_add: Confirm the new administrator
+          title_remove: Remove the administrator
+          ok_add: Ajouter un administrateur
+          ok_remove: Supprimer l'administrateur
+        confirm_promote_to_admin: Are you sure you want to add this user as an administrator?
+        confirm_remove_from_group: Are you sure you want to remove the user from this group?
         promote_to_admin: Make admin
         remove_from_group: Remove participant
       index: