diff --git a/releng/TODO b/releng/TODO
index fb0b1add..f5fc4dcf 100644
--- a/releng/TODO
+++ b/releng/TODO
@@ -22,15 +22,23 @@
 
 * ??? Still to decide:
   Delete debian-testing-i386-businesscard.iso with ./run_all_auto -c
-  Currently remaining large files (like downloaded ISO images) are
+  Contra: Currently remaining large files (like downloaded ISO images) are
   simply left behind to be re-used and a boldified info message is shown
   so the users can decide for themselves what to remove or leave as well.
+  Pro: Leaving 70 MB of image is quite obtrusive. Option -c is not run
+  under normal circumstances. So it could well be used for total cleanup.
+  Alternative: Specific option --remove_image.
 
 * ??? Still to decide:
   Have a script ./run_all_manual
-  Contra argument: if a releng sctipt is suitable to be run under amaster
+  Contra argument: if a releng sctipt is suitable to be run under a master
   script run_all*, then this releng script should be put into auto_*
   namespace , otherwise it is manual_*.
+  Pro: Tests may be manual because they demand lots of resources, not
+  because they need manual attention. In general the run_all_manual script
+  shall spare the user the plight to read the documentation. Instead it
+  shall present the manual tests, give an opportunity to skip the test,
+  and ask for parameters,
 
 * derive a GNU xorriso test suite from libisoburn test suite