- * It is also possible to use the Tideways PHP extension, which is mostly
- * a drop-in replacement for Xhprof. Just change the XHPROF_FLAGS_* constants
- * to TIDEWAYS_FLAGS_*.
+ * This also supports Tideways-XHProf PHP extension, which is mostly a drop-in
+ * replacement for Xhprof (replace XHPROF_FLAGS_* with XHPROF_TIDEWAYS_FLAGS_*),
+ * as well as the older (discontinued) Tideways extension (TIDEWAYS_FLAGS_*).