fix: doc

src/builtins/danger_zone.rs

@@ -129,8 +129,10 @@ impl RuleSet for ForkAndExec {
 /// [`Pipes`] is in the danger zone because it can be used create a pipe for IPC.
 ///
 /// # Security Considerations
-/// The piped process will still be under seccomp's restrictions (see
-/// `tests/inherit_filters.rs`) but depending on your filter it could still do bad things.
+/// You can, for example, create the pipe, fork the process, and then the parent
+/// and the child both have the pipe but even if you apply seccomp to the parent,
+/// it doesn't apply to the already-forked child
+/// (unless you use [`apply_to_all_threads`] of course)
 pub struct Pipes;
 impl RuleSet for Pipes {
     fn simple_rules(&self) -> Vec<Sysno> {