diff --git a/api/src/opentrons/config/types.py b/api/src/opentrons/config/types.py
index ba86120abc9..cc92bfbb6ca 100644
--- a/api/src/opentrons/config/types.py
+++ b/api/src/opentrons/config/types.py
@@ -106,10 +106,10 @@ def by_gantry_load(
 class OutputOptions(int, Enum):
     """Specifies where we should report sensor data to during a sensor pass."""
 
-    stream_to_csv = 0x1
-    sync_buffer_to_csv = 0x2
-    can_bus_only = 0x4
-    sync_only = 0x8
+    stream_to_csv = 0x1         # compile sensor data stream into a csv file (not working), in addition to can_bus_only behavior
+    sync_buffer_to_csv = 0x2    # collect sensor data on pipette mcu, then stream to robot server and compile into a csv file, in addition to can_bus_only behavior
+    can_bus_only = 0x4          # stream sensor data over CAN bus in addition to sync_only behavior
+    sync_only = 0x8             # trigger pipette sync line upon sensor's detection of something
 
 
 @dataclass(frozen=True)