doc: indicate that name is no longer an optional argument

doc/api/perf_hooks.md

@@ -214,15 +214,15 @@ Returns a list of `PerformanceEntry` objects in chronological order
 with respect to `performanceEntry.startTime` whose `performanceEntry.entryType`
 is equal to `type`.
 
-### `performance.mark([name[, options]])`
+### `performance.mark(name[, options])`
 
 <!-- YAML
 added: v8.5.0
 changes:
   - version: v19.0.0
     pr-url: https://github.com/nodejs/node/pull/44483
     description: This method must be called with the `performance` object as
-                 the receiver.
+                 the receiver. The name argument is no longer optional.
   - version: v16.0.0
     pr-url: https://github.com/nodejs/node/pull/37136
     description: Updated to conform to the User Timing Level 3 specification.