diff --git a/app/assets/templates/profile/complete.html.erb b/app/assets/templates/profile/complete.html.erb
index 94bf1b082..978ff03bc 100644
--- a/app/assets/templates/profile/complete.html.erb
+++ b/app/assets/templates/profile/complete.html.erb
@@ -77,7 +77,7 @@
                                                             <i class="fa fa-asterisk" aria-hidden="true"></i>
                                                           </span>
                                                         </span>
-                                                        <select ng-model="user.group_id" class="form-control" required>
+                                                        <select ng-model="user.group_id" class="form-control" ng-disabled="user.role === 'admin'" required>
                                                             <option value=null translate>{{ 'app.logged.profile_completion.your_user_s_profile' }}</option>
                                                             <option ng-repeat="group in groups" ng-value="group.id" ng-selected="group.id == user.group_id">{{group.name}}</option>
                                                         </select>
diff --git a/config/locales/app.admin.en.yml b/config/locales/app.admin.en.yml
index 5030cc659..583578925 100644
--- a/config/locales/app.admin.en.yml
+++ b/config/locales/app.admin.en.yml
@@ -1129,7 +1129,7 @@ en:
             content: "In the same way as the members, manage the administrators of your Fab-manager here.<br>The administrators can take reservations for any member as well as modify all the parameters of the software."
           groups:
             title: "Manage groups"
-            content: "Groups allow you to better segment your price list."
+            content: "<p>Groups allow you to better segment your price list.</p><p>When you set up Fab-manager for the first time, it is recommended to start by defining the groups.</p>"
           labels:
             title: "Manage tags"
             content: "The labels allow you to reserve certain slots for users associated with these same labels."
diff --git a/config/locales/app.admin.es.yml b/config/locales/app.admin.es.yml
index 93c552d62..deb5ebe79 100644
--- a/config/locales/app.admin.es.yml
+++ b/config/locales/app.admin.es.yml
@@ -1129,7 +1129,7 @@ es:
             content: "In the same way as the members, manage the administrators of your Fab-manager here.<br>The administrators can take reservations for any member as well as modify all the parameters of the software."
           groups:
             title: "Manage groups"
-            content: "Groups allow you to better segment your price list."
+            content: "<p>Groups allow you to better segment your price list.</p><p>When you set up Fab-manager for the first time, it is recommended to start by defining the groups.</p>"
           labels:
             title: "Manage tags"
             content: "The labels allow you to reserve certain slots for users associated with these same labels."
diff --git a/config/locales/app.admin.fr.yml b/config/locales/app.admin.fr.yml
index 78f992cdf..4d14025f9 100644
--- a/config/locales/app.admin.fr.yml
+++ b/config/locales/app.admin.fr.yml
@@ -1128,7 +1128,7 @@ fr:
             content: "De la même manière que les membres, gérez ici les administrateurs de votre Fab-manager.<br>Les administrateurs peuvent prendre des réservations pour n'importe quel membre ainsi que modifier l'ensemble des paramètres du logiciel."
           groups:
             title: "Gérer les groupes"
-            content: "Les groupes vous permettent de mieux segmenter votre offre tarifaire."
+            content: "<p>Les groupes vous permettent de mieux segmenter votre offre tarifaire.</p><p>Lorsque vous paramétrez Fab-manager pour la première fois, il est recommandé de commencer par définir les groupes.</p>"
           labels:
             title: "Gérer les étiquettes"
             content: "Les étiquettes vous permettent de réserver certains créneaux aux utilisateurs associés à ces mêmes étiquettes."
diff --git a/config/locales/app.admin.pt.yml b/config/locales/app.admin.pt.yml
index 4e6f9361f..b7a56c229 100755
--- a/config/locales/app.admin.pt.yml
+++ b/config/locales/app.admin.pt.yml
@@ -1129,7 +1129,7 @@ pt:
             content: "In the same way as the members, manage the administrators of your Fab-manager here.<br>The administrators can take reservations for any member as well as modify all the parameters of the software."
           groups:
             title: "Manage groups"
-            content: "Groups allow you to better segment your price list."
+            content: "<p>Groups allow you to better segment your price list.</p><p>When you set up Fab-manager for the first time, it is recommended to start by defining the groups.</p>"
           labels:
             title: "Manage tags"
             content: "The labels allow you to reserve certain slots for users associated with these same labels."