diff --git a/hbt/config/hist_hooks.py b/hbt/config/hist_hooks.py
index fd174cb..737a351 100644
--- a/hbt/config/hist_hooks.py
+++ b/hbt/config/hist_hooks.py
@@ -99,8 +99,10 @@ def ana_ABCD(task, hists):
             quit()
 
             # add QCD histogram to hists
+            # for cat_parent="incl":
+            # Bshape = rate_int_dic[cat_parent]["Bshape"]
             # TODO: BUG in fill_hist function (ValueError: got multi-dimensional hist but only one dimensional data)
-            # hists[cfg.processes.n.qcd] = fill_hist(qcd_hist, rate) * scale_factor["incl"]
+            # hists[cfg.processes.n.qcd] = fill_hist(qcd_hist, Bshape) * scale_factor[cat_parent]
 
             return hists