unaccessible isn't a word
@@ -210,7 +210,7 @@ support:
Clients are encouraged to use the ``Authorization`` header where possible
to prevent the access token being leaked in access/HTTP logs. The query
string should only be used in cases where the ``Authorization`` header is
-unaccessible for the client.
+inaccessible for the client.
When credentials are required but missing or invalid, the HTTP call will
return with a status of 401 and the error code, ``M_MISSING_TOKEN`` or
