diff --git a/TODO b/TODO
index e432c147..bc5dfaa8 100644
--- a/TODO
+++ b/TODO
@@ -1,5 +1,17 @@
 - test building without cpp
 
+	need to add introspection.m4 to m4/ dir?
+
+	configure.ac has 
+
+		GOBJECT_INTROSPECTION_CHECK([1.30.0])
+
+	libvips/Makefile.am has
+
+		if HAVE_INTROSPECTION
+
+	what defines that? is it a left-over?
+
 - test building without python
 
 - use vips_resize() in vipsthumbnail?
diff --git a/libvips/resample/resize.c b/libvips/resample/resize.c
index 7477d6f5..8c93409c 100644
--- a/libvips/resample/resize.c
+++ b/libvips/resample/resize.c
@@ -286,7 +286,7 @@ vips_resize_init( VipsResize *resize )
  *
  * @interpolate defaults to bucubic, or bilinear if that is not available. 
  *
- * @idx, @idy default to zero. Adjust them by 0.5 to get pixel-centre sampling. 
+ * @idx, @idy default to zero. Offset them by 0.5 to get pixel-centre sampling. 
  *
  * See also: vips_shrink(), vips_affine(), #VipsInterpolate.
  *