Adding a note for sudo (#192)

Added note on using stdin channel for sudo with password.

Author: Shackelford-Arden

doc/advanced.rst

@@ -362,6 +362,10 @@ While not best practice and password-less ``sudo`` is best configured for a limi
        stdin.write('my_password\n')
        stdin.flush()
    client.join(output)
+   
+.. note::
+
+   Note the inclusion of the new line ``\n`` when using sudo with a password.
 
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