diff --git a/addons/mail/static/src/xml/mail.xml b/addons/mail/static/src/xml/mail.xml
index 14818313d36..761091d2099 100644
--- a/addons/mail/static/src/xml/mail.xml
+++ b/addons/mail/static/src/xml/mail.xml
@@ -50,10 +50,11 @@
             <t t-if="!widget.options.view_mailbox">
                 <div class="field_text oe_compact oe_compact_record">
                     <a class="oe_compose_post" t-if="widget.options.compose_placeholder"><t t-raw="widget.options.compose_placeholder"/></a>
-                    <a class="oe_compose_post" t-if="!widget.options.compose_placeholder and !widget.options.view_mailbox">Send a message</a>
+                    <a class="oe_compose_post" t-if="!widget.options.compose_placeholder and !widget.options.view_mailbox"
+                    	title="Send a message. Followers will be notified.">Send a message</a>
                     <t t-if="widget.options.display_log_button">
                        <span class="oe_grey oe_sep_word">or</span>
-                       <a class="oe_compose_log">Log an internal note</a>
+                       <a class="oe_compose_log" title="Log a note. Followers will not be notified.">Log an internal note</a>
                     </t>
                 </div>
             </t>
@@ -157,7 +158,7 @@
             </t>
         </div>
         <div t-if="widget.is_log">
-            <span>Add an internal note that will not be sent to the followers</span>
+            <span>Log an internal note which will not be sent to followers. Note that users reading the document can read internal notes.</span>
         </div>
     </t>