diff --git a/docs/reference/gtk/gtk3-sections.txt b/docs/reference/gtk/gtk3-sections.txt
index 276fda3245..66885a2e54 100644
--- a/docs/reference/gtk/gtk3-sections.txt
+++ b/docs/reference/gtk/gtk3-sections.txt
@@ -6487,6 +6487,7 @@ GtkAccelFlags
 GtkArrowPlacement
 GtkArrowType
 GtkAttachOptions
+GtkBaselinePosition
 GtkButtonBoxStyle
 GtkCornerType
 GtkDeleteType