diff --git a/phpBB/docs/events.md b/phpBB/docs/events.md
index 18beb1c64a..66b558a665 100644
--- a/phpBB/docs/events.md
+++ b/phpBB/docs/events.md
@@ -617,6 +617,14 @@ simple_header_body_before
* Since: 3.1.0-b2
* Purpose: Add content to the header body
+simple_header_head_append
+===
+* Locations:
+ + styles/prosilver/template/simple_header.html
+ + styles/subsilver2/template/simple_header.html
+* Since: 3.1.0-b4
+* Purpose: Add asset calls directly before the `` tag
+
topiclist_row_prepend
===
* Locations:
diff --git a/phpBB/styles/prosilver/template/simple_header.html b/phpBB/styles/prosilver/template/simple_header.html
index f5e265ac16..48f6cc87da 100644
--- a/phpBB/styles/prosilver/template/simple_header.html
+++ b/phpBB/styles/prosilver/template/simple_header.html
@@ -24,6 +24,10 @@
+
+
+{$STYLESHEETS}
+
diff --git a/phpBB/styles/subsilver2/template/simple_header.html b/phpBB/styles/subsilver2/template/simple_header.html
index 37a33415e9..36ac149691 100644
--- a/phpBB/styles/subsilver2/template/simple_header.html
+++ b/phpBB/styles/subsilver2/template/simple_header.html
@@ -9,6 +9,11 @@
+
+
+
+{$STYLESHEETS}
+