diff --git a/dap/utils/bsreadext.py b/dap/utils/bsreadext.py
index ea7e823..312cfa8 100644
--- a/dap/utils/bsreadext.py
+++ b/dap/utils/bsreadext.py
@@ -18,6 +18,7 @@ def pack_bsread_data(orig, prefix, skip=None):
         if k in skip:
             continue
         if isinstance(v, bool):
+            # bsread expects bools as ints
             v = int(v)
         elif isinstance(v, list):
             # bsread fails for empty lists and non-1D lists