Index: uspace/app/hbench/doc/doxygroups.h
===================================================================
--- uspace/app/hbench/doc/doxygroups.h	(revision e7f9a093b00a54747dbfa7e288153beb04d93009)
+++ uspace/app/hbench/doc/doxygroups.h	(revision 94d52d53a4608577d762072e1163d6e80af5bb39)
@@ -19,5 +19,6 @@
  * benchmark function to the benchmark_t.
  *
- * The benchmarking function has to accept two arguments:
+ * The benchmarking function has to accept trhee arguments:
+ *  @li bench_env_t: benchmark environment configuration
  *  @li bench_run_t: call bench_run_start and bench_run_stop around the
  *      actual benchmarking code
@@ -27,5 +28,5 @@
  * Typically, the structure of the function is following:
  * @code{c}
- * static bool runner(bench_run_t *run, uint64_t size)
+ * static bool runnerconst bench_env_t const *envbench_run_t *run, uint64_t size)
  * {
  * 	bench_run_start(run);