diff --git a/ereuse_devicehub/static/js/main_inventory.js b/ereuse_devicehub/static/js/main_inventory.js
index d790af81..333bf049 100644
--- a/ereuse_devicehub/static/js/main_inventory.js
+++ b/ereuse_devicehub/static/js/main_inventory.js
@@ -62,15 +62,26 @@ function deviceSelect() {
 function removeTag() {
     var devices = $(".deviceSelect").filter(':checked');
     var devices_id = $.map(devices, function(x) { return $(x).attr('data')});
-    if (devices_id.length > 0) {
+    if (devices_id.length == 1) {
         var url = "/inventory/tag/devices/"+devices_id[0]+"/del/";
         window.location.href = url;
+    } else {
+        $("#unlinkTagAlertModal").click();
     }
 }
 
 function addTag() {
-    deviceSelect();
-    $("#addingTagModal").click();
+    var devices = $(".deviceSelect").filter(':checked');
+    var devices_id = $.map(devices, function(x) { return $(x).attr('data')});
+    if (devices_id.length == 1) {
+        $("#addingTagModal .pol").hide();
+        $("#addingTagModal .btn-primary").show();
+    } else {
+        $("#addingTagModal .pol").show();
+        $("#addingTagModal .btn-primary").hide();
+    }
+
+    $("#addTagAlertModal").click();
 }
 
 function newTrade(action) {
diff --git a/ereuse_devicehub/templates/inventory/addDevicestag.html b/ereuse_devicehub/templates/inventory/addDevicestag.html
index cb929d37..5170b454 100644
--- a/ereuse_devicehub/templates/inventory/addDevicestag.html
+++ b/ereuse_devicehub/templates/inventory/addDevicestag.html
@@ -18,7 +18,7 @@
           </select>
           <input class="devicesList" type="hidden" name="device" />
           <p class="text-danger pol">
-              You need select first some device for adding this in a tag
+              You need select first one device and only one for add this in a tag
           </p>
         </div>
 
diff --git a/ereuse_devicehub/templates/inventory/alert_unlink_tag_error.html b/ereuse_devicehub/templates/inventory/alert_unlink_tag_error.html
new file mode 100644
index 00000000..b05fb40f
--- /dev/null
+++ b/ereuse_devicehub/templates/inventory/alert_unlink_tag_error.html
@@ -0,0 +1,21 @@
+<div class="modal fade" id="unlinkTagErrorModal" tabindex="-1" style="display: none;" aria-hidden="true">
+  <div class="modal-dialog">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h5 class="modal-title">Error Unlink Tag</h5>
+        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+      </div>
+
+        <div class="modal-body">
+          <p class="text-danger pol">
+              You need select first one device and only one for Unlink one Tag
+          </p>
+        </div>
+
+        <div class="modal-footer">
+          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
+        </div>
+
+    </div>
+  </div>
+</div>
diff --git a/ereuse_devicehub/templates/inventory/device_list.html b/ereuse_devicehub/templates/inventory/device_list.html
index 7f31a60a..3cf54939 100644
--- a/ereuse_devicehub/templates/inventory/device_list.html
+++ b/ereuse_devicehub/templates/inventory/device_list.html
@@ -231,17 +231,19 @@
                     <i class="bi bi-tag"></i>
                     Tags
                 </button>
+                <span class="d-none" id="unlinkTagAlertModal" data-bs-toggle="modal" data-bs-target="#unlinkTagErrorModal"></span>
+                <span class="d-none" id="addTagAlertModal" data-bs-toggle="modal" data-bs-target="#addingTagModal"></span>
                 <ul class="dropdown-menu" aria-labelledby="btnTags">
                   <li>
-                    <a href="javascript:addTag()" class="dropdown-item" data-bs-toggle="modal" data-bs-target="#addingTagModal">
+                    <a href="javascript:addTag()" class="dropdown-item">
                       <i class="bi bi-plus"></i>
-                      Add Tag to selected Devices
+                      Add Tag to selected Device
                     </a>
                   </li>
                   <li>
                     <a href="javascript:removeTag()" class="dropdown-item">
                       <i class="bi bi-x"></i>
-                      Remove Tag from selected Devices
+                      Remove Tag from selected Device
                     </a>
                   </li>
                 </ul>
@@ -384,6 +386,7 @@
 {% include "inventory/data_wipe.html" %}
 {% include "inventory/trade.html" %}
 {% include "inventory/alert_export_error.html" %}
+{% include "inventory/alert_unlink_tag_error.html" %}
 
 <!-- Custom Code -->
 <script>
diff --git a/ereuse_devicehub/templates/inventory/tag_unlink_device.html b/ereuse_devicehub/templates/inventory/tag_unlink_device.html
index fb123244..9f8043de 100644
--- a/ereuse_devicehub/templates/inventory/tag_unlink_device.html
+++ b/ereuse_devicehub/templates/inventory/tag_unlink_device.html
@@ -50,7 +50,7 @@
 
                   <div class="col-12">
                     <a href="{{ referrer }}" class="btn btn-danger">Cancel</a>
-                    <button class="btn btn-primary" type="submit">Save</button>
+                    <button class="btn btn-primary" type="submit">Unlink</button>
                   </div>
                 </form>