[h2olog] Fix parameter position in example usage
`-p` should appear right in front of a process ID.
@@ -52,7 +52,7 @@ Optional arguments:
-w Path to write the output (default: stdout)
Examples:
- h2olog -p -H $(pgrep -o h2o)
+ h2olog -p $(pgrep -o h2o) -H
h2olog -p $(pgrep -o h2o) -t quicly:accept -t quicly:free
h2olog -p $(pgrep -o h2o) -t h2o:send_response_header -t h2o:h3s_accept -t h2o:h3s_destroy -s alt-svc
)",
