diff --git a/doc/public/cairo-sections.txt b/doc/public/cairo-sections.txt
index c8493a6c7..95ee4b087 100644
--- a/doc/public/cairo-sections.txt
+++ b/doc/public/cairo-sections.txt
@@ -482,6 +482,7 @@ cairo_get_tolerance
 cairo_clip
 cairo_clip_preserve
 cairo_clip_extents
+cairo_in_clip
 cairo_reset_clip
 cairo_rectangle_t
 cairo_rectangle_list_t