diff --git a/docs/transport_hid.rst b/docs/transport_hid.rst
index b60c1a9..02b1ea4 100644
--- a/docs/transport_hid.rst
+++ b/docs/transport_hid.rst
@@ -10,6 +10,6 @@ To get a list of TREZORs that are currently plugged into our computer, we use th
 
 We can now interact with our TREZORs by creating a :doc:`TrezorClient <client>` object.
 
-.. automodule:: trezorlib.transport_hid
+.. autoclass:: trezorlib.transport_hid.HidTransport
   :members:
   :undoc-members:
\ No newline at end of file
diff --git a/trezorlib/transport_hid.py b/trezorlib/transport_hid.py
index 8db11a6..114679c 100644
--- a/trezorlib/transport_hid.py
+++ b/trezorlib/transport_hid.py
@@ -54,6 +54,9 @@ class HidTransport(Transport):
 
     @classmethod
     def enumerate(cls):
+        """
+        Return a list of available TREZOR devices.
+        """
         devices = {}
         for d in hid.enumerate(0, 0):
             vendor_id = d['vendor_id']
@@ -74,7 +77,9 @@ class HidTransport(Transport):
         return devices.values()
 
     def is_connected(self):
-        # Check if the device is still connected
+        """
+        Check if the device is still connected.
+        """
         for d in hid.enumerate(0, 0):
             if d['path'] == self.device:
                 return True