diff --git a/applications/apertif/doc/apertif_fpga_firmware_planning_erko.txt b/applications/apertif/doc/apertif_fpga_firmware_planning_erko.txt
index c40625380c5bdf0f7a82ead04f3f9fdcdf8844c1..6e7fb8adf2c40910026d4719ef52b1868efe5310 100755
--- a/applications/apertif/doc/apertif_fpga_firmware_planning_erko.txt
+++ b/applications/apertif/doc/apertif_fpga_firmware_planning_erko.txt
@@ -150,3 +150,14 @@ Done) #1275: Debug filterbank image (to have same image for Arts SC1 instead of
 
 ###############################################################################
 # SR-10 : Commensal Apertif and Arts SC3 observations
+
+
+
+###############################################################################
+# Unallocated to do list:
+
+- ppsh.vhd decrease c_pipeline_output : NATURAL := 100;
+- support duplicate subbands in Rsub and Rbeam
+- create tb_dp_bsn_restore_global (partly already covered by tb_dp_block_gen_valid_arr.vhd)
+- improve tb_apertif_unb1_bn_filterbank to check also empty bijns
+- add sync_checker stable monitor?