diff --git a/phpBB/docs/events.md b/phpBB/docs/events.md
index 10d297ce9d..a785c6d81c 100644
--- a/phpBB/docs/events.md
+++ b/phpBB/docs/events.md
@@ -2218,6 +2218,13 @@ viewtopic_body_post_buttons_list_before
 * Purpose: Add post button custom list to posts (next to edit, quote etc),
 before the original list.
 
+viewtopic_body_post_subject_before
+===
+* Locations:
+    + styles/prosilver/template/viewtopic_body.html
+* Since: 3.1.7-RC1
+* Purpose: Add data before post icon and subject
+
 viewtopic_body_postrow_custom_fields_after
 ===
 * Locations:
diff --git a/phpBB/styles/prosilver/template/viewtopic_body.html b/phpBB/styles/prosilver/template/viewtopic_body.html
index 0c64adc305..19b52c6ff6 100644
--- a/phpBB/styles/prosilver/template/viewtopic_body.html
+++ b/phpBB/styles/prosilver/template/viewtopic_body.html
@@ -222,6 +222,7 @@
 			<!-- ENDIF -->
 			<div id="post_content{postrow.POST_ID}"<!-- IF postrow.S_POST_HIDDEN --> style="display: none;"<!-- ENDIF -->>
 
+			<!-- EVENT viewtopic_body_post_subject_before -->
 			<h3 <!-- IF postrow.S_FIRST_ROW -->class="first"<!-- ENDIF -->><!-- IF postrow.POST_ICON_IMG --><img src="{T_ICONS_PATH}{postrow.POST_ICON_IMG}" width="{postrow.POST_ICON_IMG_WIDTH}" height="{postrow.POST_ICON_IMG_HEIGHT}" alt="{postrow.POST_ICON_IMG_ALT}" title="{postrow.POST_ICON_IMG_ALT}" /> <!-- ENDIF --><a href="#p{postrow.POST_ID}">{postrow.POST_SUBJECT}</a></h3>
 
 		<!-- DEFINE $SHOW_POST_BUTTONS = (postrow.U_EDIT or postrow.U_DELETE or postrow.U_REPORT or postrow.U_WARN or postrow.U_INFO or postrow.U_QUOTE) -->