core: minor typos, docstring/comments update

sat/tools/common/async_process.py

@@ -99,7 +99,7 @@ class CommandProtocol(protocol.ProcessProtocol):
         """Create a new CommandProtocol and execute the given command.
 
         @param *args(unicode): command arguments
-            if cls.command is specified, it will be the path to the command to execture
+            if cls.command is specified, it will be the path to the command to execute
             otherwise, first argument must be the path
         @param **kwargs: can be:
             - stdin(unicode, None): data to push to standard input

sat/tools/common/files_utils.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python3
 
-
-# SAT: a jabber client
+# SaT: an XMPP client
 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org)
 
 # This program is free software: you can redistribute it and/or modify