fix wording in h2olog -h
@@ -54,8 +54,7 @@ Optional arguments:
-t <tracepoint> A tracepoint, or fully-qualified probe name to trace. Glob
patterns can be used; e.g., "quicly:accept", "h2o:*".
-S <rate> Enable random sampling per connection (0.0-1.0). Requires
- `usdt-selective-tracing: ON` must be specified in the h2o
- config file.
+ use of `usdt-selective-tracing: ON` in the h2o config file.
-A <ip-address> Limit connections being traced to those coming from the
specified address. Requries use of `usdt-selective-tracing`.
-N <server-name> Limit connections being traced to those carrying the
