diff --git a/TODO b/TODO
index c8c2c782..40c1ca70 100644
--- a/TODO
+++ b/TODO
@@ -1,3 +1,8 @@
+- vips linecache has access there twice!
+
+	 $ vips linecache
+	 ...
+
 - make a test image with
 
 	make a huge 1 bit tiff in nip2, save