diff --git a/dictionaries/ui/components/input/en.dictionary.itop.input.php b/dictionaries/ui/components/input/en.dictionary.itop.input.php
index 64b558258..fa2e592cc 100644
--- a/dictionaries/ui/components/input/en.dictionary.itop.input.php
+++ b/dictionaries/ui/components/input/en.dictionary.itop.input.php
@@ -19,6 +19,7 @@
 
 // Input
 Dict::Add('EN US', 'English', 'English', array(
+	'UI:Component:Input:ChangeNotAllowed' => 'This change is not allowed',
 	'UI:Component:Input:Password:DoesNotMatch' => 'Passwords do not match',
-	'UI:Component:Input:Set:MinimumItems' => 'Minimum %1$s items required',
+	'UI:Component:Input:Set:MinimumItems' => 'Minimum %1$s item(s) required',
 ));
\ No newline at end of file
diff --git a/dictionaries/ui/components/input/fr.dictionary.itop.input.php b/dictionaries/ui/components/input/fr.dictionary.itop.input.php
index a8188b519..1d5b5190e 100644
--- a/dictionaries/ui/components/input/fr.dictionary.itop.input.php
+++ b/dictionaries/ui/components/input/fr.dictionary.itop.input.php
@@ -18,5 +18,7 @@
  */
 // Input
 Dict::Add('FR FR', 'French', 'Français', array(
-	'UI:Component:Input:Password:DoesNotMatch' => 'Passwords do not match~~',
+	'UI:Component:Input:ChangeNotAllowed' => 'Cette modification n\'est pas autorisée',
+	'UI:Component:Input:Password:DoesNotMatch' => 'Les mots de passe ne correspondent pas',
+	'UI:Component:Input:Set:MinimumItems' => 'Minimum %1$s élément(s) requis',
 ));
\ No newline at end of file
diff --git a/js/selectize/plugin_combodo_min_items.js b/js/selectize/plugin_combodo_min_items.js
index c3243b71d..e70862e97 100644
--- a/js/selectize/plugin_combodo_min_items.js
+++ b/js/selectize/plugin_combodo_min_items.js
@@ -6,6 +6,7 @@ Selectize.define("combodo_min_items", function (aOptions) {
 	// Plugin options
 	aOptions = $.extend({
 			minItems: 0,
+			errorTitle: 'This change is not allowed',
 			errorMessage: 'Minimum ' + aOptions.minItems + ' item(s) required.'
 		},
 		aOptions
@@ -16,7 +17,9 @@ Selectize.define("combodo_min_items", function (aOptions) {
 		let oOriginal = oSelf.removeItem;
 		return function () {
 			if(oSelf.items.length <= aOptions.minItems) {
-				CombodoModal.OpenErrorModal(aOptions.errorMessage, []);
+				CombodoModal.OpenErrorModal(aOptions.errorMessage, {
+					title: aOptions.errorTitle
+				});
 				return;
 			}
 			return oOriginal.apply(this, arguments);
diff --git a/templates/base/components/input/set/layout.ready.js.twig b/templates/base/components/input/set/layout.ready.js.twig
index b93829107..e0eb3ed64 100644
--- a/templates/base/components/input/set/layout.ready.js.twig
+++ b/templates/base/components/input/set/layout.ready.js.twig
@@ -54,7 +54,8 @@ let oWidget{{ oUIBlock.GetId() }} = $('#{{ oUIBlock.GetId() }}').selectize({
         {% if oUIBlock.GetMinItems() is not empty %}
         'combodo_min_items' : {
             minItems: {{ oUIBlock.GetMinItems() }},
-            errorMessage: '{{ 'UI:Component:Input:Set:MinimumItems'|dict_format(oUIBlock.GetMinItems()) }}'
+            errorTitle: '{{ 'UI:Component:Input:ChangeNotAllowed'|dict_s()|escape('js') }}',
+            errorMessage: '{{ 'UI:Component:Input:Set:MinimumItems'|dict_format(oUIBlock.GetMinItems())|escape('js') }}'
         },
         {% endif %}
     },