diff --git a/hermit/TODO.md b/hermit/TODO.md
index 7884c86c2..ed3007460 100644
--- a/hermit/TODO.md
+++ b/hermit/TODO.md
@@ -5,4 +5,6 @@ TODO list
 * prioririty handling in the Pthread library is still missing
 * support of signals is still missing
 * use gs register to accelerate tha access to newlib's reentrant structure
+* check the usage of the fs register
 * revise TLB shoot down
+* revise and check tickless support (the tickless support is currently not tested)