diff --git a/docs/reference/gtk/gtk3-sections.txt b/docs/reference/gtk/gtk3-sections.txt
index 0b08465feb..5336a3f69a 100644
--- a/docs/reference/gtk/gtk3-sections.txt
+++ b/docs/reference/gtk/gtk3-sections.txt
@@ -5534,7 +5534,9 @@ GTK_STYLE_CLASS_MENUITEM
 GTK_STYLE_CLASS_PROGRESSBAR
 GTK_STYLE_CLASS_SPINNER
 GTK_STYLE_CLASS_TOOLBAR
+GTK_STYLE_CLASS_PRIMARY_TOOLBAR
 GTK_STYLE_CLASS_PANE_SEPARATOR
+GTK_STYLE_CLASS_SEPARATOR
 GTK_STYLE_CLASS_DND
 GTK_STYLE_CLASS_ERROR
 GTK_STYLE_CLASS_EXPANDER