diff --git a/doc/todo/faster_key_lookup_for_limits.mdwn b/doc/todo/faster_key_lookup_for_limits.mdwn
index b9cac11644..fd92c624e3 100644
--- a/doc/todo/faster_key_lookup_for_limits.mdwn
+++ b/doc/todo/faster_key_lookup_for_limits.mdwn
@@ -7,3 +7,7 @@ another 1.5x-2x speedup when such limits are used. What that optimisation
 needs is a way to tell if the current limit needs the key or not. If it
 does, then match on it after getting the key (and precaching the location
 log for limits that need that), otherwise before getting the key.
+
+> So this needs a way to introspect a limit to see if the terms used in it
+> match some criteria. Another todo that also needs that is
+> [[sync_fast_import]] --[[Joey]]
diff --git a/doc/todo/sync_fast_import.mdwn b/doc/todo/sync_fast_import.mdwn
index 35f4b53f8e..653d994de2 100644
--- a/doc/todo/sync_fast_import.mdwn
+++ b/doc/todo/sync_fast_import.mdwn
@@ -32,3 +32,8 @@ So there would still be a conflict potential.
 May be worth removing support for matching annex.largefiles when the
 expression needs the file content, when importing from a special remote.
 Or could detect when those are used, and only import with --content then.
+
+> So this needs a way to introspect a preferred content expression
+> to see if the terms used in it
+> match some criteria. Another todo that also needs that is
+> [[faster_key_lookup_for_limits]] --[[Joey]]