diff --git a/docs/reference/gio/gio-docs.xml b/docs/reference/gio/gio-docs.xml
index cb03759fb..85c8fabfc 100644
--- a/docs/reference/gio/gio-docs.xml
+++ b/docs/reference/gio/gio-docs.xml
@@ -232,6 +232,10 @@
Index of new symbols in 2.26
+
+ Index of new symbols in 2.28
+
+
diff --git a/docs/reference/glib/glib-docs.sgml b/docs/reference/glib/glib-docs.sgml
index 74cc78366..9474af97b 100644
--- a/docs/reference/glib/glib-docs.sgml
+++ b/docs/reference/glib/glib-docs.sgml
@@ -194,6 +194,10 @@ synchronize their operation.
Index of new symbols in 2.26
+
+ Index of new symbols in 2.28
+
+
diff --git a/docs/reference/gobject/gobject-docs.sgml b/docs/reference/gobject/gobject-docs.sgml
index 686194873..30498ad91 100644
--- a/docs/reference/gobject/gobject-docs.sgml
+++ b/docs/reference/gobject/gobject-docs.sgml
@@ -148,6 +148,10 @@
Index of new symbols in 2.26
+
+ Index of new symbols in 2.28
+
+