Clarify documentation on --max_idle_secs=0
"This option specifies how long, in seconds, the Blaze server process should wait before it exits.  To disable the feature" is ambiguous in what the "feature" is.  I thought the "wait" was the feature, but apparently it was the "exit".
RELNOTES: N/A
@@ -2835,7 +2835,8 @@ adb -s deadbeef install ...
<p>
This option specifies how long, in seconds, the Bazel server process
should wait after the last client request, before it exits. The
- default value is 10800 (3 hours). To disable the feature, set `--max_idle_secs=0`.
+ default value is 10800 (3 hours). <code class='flag'>--max_idle_secs=0</code> will cause the
+ Bazel server process to persist indefinitely.
</p>
<p>
This option may be used by scripts that invoke Bazel to ensure that
