diff --git a/app_state.py b/app_state.py
index 3dd5fdd..9fe73b0 100644
--- a/app_state.py
+++ b/app_state.py
@@ -8,7 +8,7 @@ so later rebinding would only ever be seen by the module that did it.
 import configparser
 import os
 
-VERSION = "0.0.0.145"
+VERSION = "0.0.0.146"
 PROPERTIES_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), "editor.properties")
 DEFAULT_GRID_SIZE = 10
 DEFAULT_ADD_TIMESTAMP = True
diff --git a/sox.py b/sox.py
index 67e9b88..a8e6f72 100644
--- a/sox.py
+++ b/sox.py
@@ -464,8 +464,9 @@ class SoxClient:
         # Same 512-byte limit as read_schema: whatever is cut off is left
         # blank rather than failing the connect.
         platform_id = res.try_str() or ""
-        # Ontrol's message-length header is for Orion only; the Niagara driver never
-        # sends it to a P-ION or R-ION.
+        # Ontrol's message-length header is for Orion only, as in the Niagara driver.
+        # A P-ION on firmware 1.32 takes it on most requests, but a file open sent with
+        # it goes unanswered and the device drops off the network for ~20 s.
         if self._session is not None:
             self._session.include_message_len = platform_id.startswith("ontrol-orion")
         scode_flags = res.u1() if res.remaining > 0 else 0