Fix Typo (#332)

Assuming this should be through instead of trough

Author: mtru32

canopen/node/remote.py

@@ -24,7 +24,7 @@ class RemoteNode(BaseNode):
         Object dictionary as either a path to a file, an ``ObjectDictionary``
         or a file like object.
     :param load_od:
-        Enable the Object Dictionary to be sent trough SDO's to the remote
+        Enable the Object Dictionary to be sent through SDO's to the remote
         node at startup.
     """