diff --git a/phpBB/docs/events.md b/phpBB/docs/events.md
index 14523eaf37..76722204c2 100644
--- a/phpBB/docs/events.md
+++ b/phpBB/docs/events.md
@@ -2821,6 +2821,13 @@ ucp_pm_viewmessage_custom_fields_before
 * Purpose: Add data before the custom fields on the user profile when viewing
 a private message
 
+ucp_pm_viewmessage_message_content_before
+===
+* Locations:
+    + styles/prosilver/template/ucp_pm_viewmessage.html
+* Since: 3.3.16-RC1
+* Purpose: Add content before the private message text
+
 ucp_pm_viewmessage_options_before
 ===
 * Locations:
diff --git a/phpBB/styles/prosilver/template/ucp_pm_viewmessage.html b/phpBB/styles/prosilver/template/ucp_pm_viewmessage.html
index 6572d965b8..9300eb285a 100644
--- a/phpBB/styles/prosilver/template/ucp_pm_viewmessage.html
+++ b/phpBB/styles/prosilver/template/ucp_pm_viewmessage.html
@@ -149,6 +149,7 @@
 				<!-- IF S_BCC_RECIPIENT --><br /><strong>{L_BCC}{L_COLON}</strong> <!-- BEGIN bcc_recipient --><!-- IF bcc_recipient.NAME_FULL -->{bcc_recipient.NAME_FULL}<!-- ELSE --><a href="{bcc_recipient.U_VIEW}"<!-- IF bcc_recipient.COLOUR --> style="color:{bcc_recipient.COLOUR};"<!-- ENDIF -->><strong>{bcc_recipient.NAME}</strong></a><!-- ENDIF -->&nbsp;<!-- END bcc_recipient --><!-- ENDIF -->
 			</p>
 
+			{% EVENT ucp_pm_viewmessage_message_content_before %}
 
 			<div class="content">{MESSAGE}</div>