Better defaults

src/cli.rs

@@ -57,8 +57,9 @@ fn build_command() -> Command {
                 .default_value("default")
                 .help("Metrics to display, in order. The first is used for non-JSON exports. \
                        Compare all commands with the first command. Presets: default (wall-clock \
-                       time and peak RSS; wall-clock time only on Windows), all (all available \
-                       metrics, skipping unavailable measurements). Both presets use automatic \
+                       time and peak RSS; wall-clock time only on Windows), speed (wall-clock, user, \
+                       and system time), all (all available metrics, skipping unavailable \
+                       measurements). All presets use automatic \
                        units with wall-clock time first; use a preset on its own. Metrics: time_wall_clock, \
                        time_user, time_system, memory_peak_resident, cpu_cycles, instructions, \
                        cache_references, cache_misses, branch_misses. Optional units: ns/us/ms/s/min/h \