def stream_or_pstream_needs_probes(name):
""" 1 if the stream or pstream specified by 'name' needs periodic probes to
- verify connectivty. For [p]streams which need probes, it can take a long
+ verify connectivity. For [p]streams which need probes, it can take a long
time to notice the connection was dropped. Returns 0 if probes aren't
needed, and -1 if 'name' is invalid"""