diff --git a/docs/reference/gdk/gdk3-sections.txt b/docs/reference/gdk/gdk3-sections.txt
index 7c5a049f3a..3a2270747c 100644
--- a/docs/reference/gdk/gdk3-sections.txt
+++ b/docs/reference/gdk/gdk3-sections.txt
@@ -910,6 +910,7 @@ gdk_keymap_get_entries_for_keycode
 gdk_keymap_get_direction
 gdk_keymap_have_bidi_layouts
 gdk_keymap_get_caps_lock_state
+gdk_keymap_get_num_lock_state
 gdk_keymap_add_virtual_modifiers
 gdk_keymap_map_virtual_modifiers