diff --git a/TODO b/TODO
index 8a2b78b85..3ffb15043 100644
--- a/TODO
+++ b/TODO
@@ -1,7 +1,8 @@
 -- rename sha1.New() to blobref.NewHash() and
-   blobref.SHA1FromString(string) to blobref.FromString(string), to
-   move current, ephemeral sha1 usage out to one place that's easily fixed
-   in the future.
+   blobref.SHA1FromString(string) to blobref.FromString(string), and
+   add blobref.FromHash(hash.Hash) (using reflect.TypeOf to find
+   "sha1" prefix) to move current, ephemeral sha1 usage out to one
+   place that's easily fixed in the future.
 
 -- clean up gethandler and its Range stuff. http package does much/all of that now.
    Use ServeContent instead?