exe/benchmark-driver in benchmark_driver-0.10.16 vs exe/benchmark-driver in benchmark_driver-0.11.0

@@ -33,11 +33,11 @@
       abort '--rbenv must take argument but not given' if r.nil?
       r.split(';').each do |version|
         executables << BenchmarkDriver::Rbenv.parse_spec(version)
       end
     end
-    o.on('--repeat-count [NUM]', 'Try benchmark NUM times and use the fastest result (TODO)') do |v|
+    o.on('--repeat-count [NUM]', 'Try benchmark NUM times and use the fastest result or the worst memory usage') do |v|
       begin
         c.repeat_count = Integer(v)
       rescue ArgumentError
         abort "-r, --repeat-count must take Integer, but got #{v.inspect}"
       end
@@ -55,12 +55,12 @@
         abort "--verbose must take Integer, but got #{v.inspect}"
       end
     end
     o.on('--run-duration [SECONDS]', 'Warmup estimates loop_count to run for this duration (default: 3)') do |v|
       begin
-        c.run_duration = Integer(v)
+        c.run_duration = Float(v)
       rescue ArgumentError
-        abort "--run-duration must take Integer, but got #{v.inspect}"
+        abort "--run-duration must take Float, but got #{v.inspect}"
       end
     end
   end
   c.paths = parser.parse!(ARGV)
   if c.paths.empty?