diff --git a/docs/TODO b/docs/TODO
index bebc3487f..2714b47d0 100644
--- a/docs/TODO
+++ b/docs/TODO
@@ -12,6 +12,7 @@ Backlog (raw)
         - add man page
 
     - pkgcore spm plugin
+        PF CATEGORY CFLAGS CXXFLAGS NEEDED FEATURES INHERITED are missing
 
     - entropy client refactoring:
         - get_install_queue():