diff --git a/README.md b/README.md
index 0edfeae4a51e0146acc177e2b2cd4597c6a64cf7..7d2478e3204586d4f958d7f7bb6eead441db3087 100644
--- a/README.md
+++ b/README.md
@@ -27,3 +27,18 @@ docker run -p 3000:3000 web-portal
 
 ## Testing locally push registration
 Push registration requires SSL and a valid cert, even on localhost.
+
+## Troubleshooting
+
+### sass build error on master
+```
+/usr/src/app/node_modules/node-sass/lib/binding.js:13
+      throw new Error(errors.unsupportedEnvironment());
+      ^
+Error: Node Sass does not yet support your current environment: Linux/musl 64-bit with Unsupported runtime (88)
+```
+
+Solution:
+```
+npm uninstall node-sass-chokidar && npm install node-sass-chokidar
+```
diff --git a/src/about/components/AboutContact.js b/src/about/components/AboutContact.js
index aadb542e8052808f36602003145c6ae5d946b0f9..acd384ffd7c8db69047ec89b4723200a218b16b6 100644
--- a/src/about/components/AboutContact.js
+++ b/src/about/components/AboutContact.js
@@ -15,7 +15,7 @@ const AboutContact = () => {
         The service is provided by IT-CDA-WF section and is part of the MALT activities as
         replacement option for mailing lists.
       </p>
-      <p>Report any issues or question at our Mattermost channel:</p>
+      <p>Report any issues or questions at our Mattermost channel or Service Now:</p>
       <a
         href="https://mattermost.web.cern.ch/it-dep/channels/notifications"
         target="_blank"
@@ -23,6 +23,15 @@ const AboutContact = () => {
       >
         https://mattermost.web.cern.ch/it-dep/channels/notifications
       </a>
+      <br />
+      <br />
+      <a
+        href="https://cern.service-now.com/service-portal?id=functional_element&name=notifications"
+        target="_blank"
+        rel="noopener noreferrer"
+      >
+        Service Now
+      </a>
     </Container>
   );
 };
diff --git a/src/about/components/AboutNotifications.js b/src/about/components/AboutNotifications.js
index 8fceea965622915a68309d548992bc376e436fbe..73413a149c9140d50a25da5ebca07bd205eaaf6e 100644
--- a/src/about/components/AboutNotifications.js
+++ b/src/about/components/AboutNotifications.js
@@ -47,7 +47,19 @@ const AboutNotifications = () => {
               <List.Item>Normal</List.Item>
               <List.Item>Important</List.Item>
               <List.Item>
-                [Blocked] Critical (Only allowed for very specific channels after approval)
+                [Blocked] Critical
+                <br />
+                Only allowed for very specific channels after approval. Critical notifications
+                bypass all preferences and are targeted to all users on all available devices.
+                Available after approval, request via{' '}
+                <a
+                  href="https://cern.service-now.com/service-portal?id=sc_cat_item&name=request&fe=notifications"
+                  target="_blank"
+                  rel="noopener noreferrer"
+                >
+                  ticket
+                </a>
+                .
               </List.Item>
             </List>
           </List.Description>
@@ -132,23 +144,6 @@ const AboutNotifications = () => {
                       the user is not, indeed, member of the channel, the user will not be notified.
                     </p>
                     <p>
-                      Example: The channel <code>Windows</code> is used to announce patches, news,
-                      etc. to the Windows users at CERN. For this reason, members of grappa group{' '}
-                      <code>windows</code> have been added to this channel when it was created and
-                      are part of it now. A new patch for Windows 11 will be lunched tomorrow, and
-                      channel admins want to notify only the concerned users (<code>windows11</code>{' '}
-                      grappa group members that belong to the channel). By adding the{' '}
-                      <code>windows11</code> grappa group as a grappa group to send a direct
-                      notification, only these members of the channel will be notified, so Windows
-                      10 and Windows Server users that are on the channel will not get the
-                      notification. If for example the notification concerns now to Windows 10 and
-                      Windows 11 users, by adding <code>windows10</code> and <code>windows11</code>{' '}
-                      grappa groups as grappa groups to send direct notification will notify members
-                      of both grappa groups that are members of the channel, excluding{' '}
-                      <code>windows-server</code> members of the channel. If for some reason, extra
-                      single users are required, it is possible to add them by specifying these
-                      users by their emails or logins, so apart from the previous users reached,
-                      these single users will be also notified ONLY if they are part of the channel.
                       <Image
                         src={`${process.env.PUBLIC_URL}images/about_images/venn_diagram.png`}
                         size="medium"
@@ -163,12 +158,12 @@ const AboutNotifications = () => {
                 <br />
                 When to use each mode?
                 <br />
-                <code>Intersection between specified users or groups and channel members</code> mode
-                is useful to notify a subset of users from a channel, while
-                <code> to all specified users or groups</code> can be used if you want to make sure
-                that the notification reaches everyone and you may be not sure if they are on the
-                channel yet, or want to automate the process of adding users to a channel
-                dynamically while sending notifications.
+                <b>Intersection</b> between specified users or groups and channel members mode is
+                useful to notify a subset of users from a channel, while
+                <b> to all </b> specified users or groups can be used if you want to make sure that
+                the notification reaches everyone and you may not be sure if they are on the channel
+                yet, or if you want to automate the process of adding users to a channel dynamically
+                while sending notifications.
                 <br />
               </List.Description>
             </List.Item>
diff --git a/src/notifications/components/SendNotificationComponent/SendNotificationComponent.js b/src/notifications/components/SendNotificationComponent/SendNotificationComponent.js
index 86de1e8f3a9575960f89b0eef0daed0fee8e1960..a2d69bcd03bcdc9dcf5b0eb69a2478f3b7147af0 100644
--- a/src/notifications/components/SendNotificationComponent/SendNotificationComponent.js
+++ b/src/notifications/components/SendNotificationComponent/SendNotificationComponent.js
@@ -440,7 +440,6 @@ const SendNotificationComponent = ({
           <CKEditor
             dispatchEvent={dispatch}
             type="classic"
-            debug
             data={editorData}
             uniqueName="body-editor"
           />