diff --git a/TODO b/TODO
index 623da16..521ab50 100644
--- a/TODO
+++ b/TODO
@@ -16,7 +16,6 @@
 -  Folding after SCCP (see combo4.ir)
 
 -  local scheduling according to data dependencies, register presure and pipeline stalls
--  basic block trace scheduling
 
 ?  instruction selection
 	- xor, btsl=INCL, btrl=EXCL, btl=IN, bsr
diff --git a/ir_cfg.c b/ir_cfg.c
index 4d2e67c..9ed2892 100644
--- a/ir_cfg.c
+++ b/ir_cfg.c
@@ -425,6 +425,8 @@ next:
 
 /* A variation of "Top-down Positioning" algorithm described by
  * Karl Pettis and Robert C. Hansen "Profile Guided Code Positioning"
+ *
+ * TODO: Switch to "Bottom-up Positioning" algorithm
  */
 int ir_schedule_blocks(ir_ctx *ctx)
 {