diff --git a/src/cairo-win32-surface.c b/src/cairo-win32-surface.c
index 4df953f5b..937b4e76a 100644
--- a/src/cairo-win32-surface.c
+++ b/src/cairo-win32-surface.c
@@ -1678,7 +1678,7 @@ _cairo_win32_surface_show_glyphs (void			*surface,
  * Creates a cairo surface that targets the given DC.  The DC will be
  * queried for its initial clip extents, and this will be used as the
  * size of the cairo surface.  The resulting surface will always be of
- * format CAIRO_FORMAT_RGB24; should you need another surface format,
+ * format %CAIRO_FORMAT_RGB24; should you need another surface format,
  * you will need to create one through
  * cairo_win32_surface_create_with_dib().
  *