benchmark/README.md: some are defined with YAML [ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63944 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 4 deletions

diff --git a/benchmark/README.md b/benchmark/README.md
index 6994ded4dd..538cf50afd 100644
--- a/benchmark/README.md
+++ b/benchmark/README.md
@@ -11,14 +11,17 @@ Execute `gem install benchmark_driver` and run a command like:
 # Run a benchmark script with the ruby in the $PATH
 benchmark-driver benchmark/app_fib.rb
 
-# Run all benchmark scripts with multiple Ruby executables or options
-benchmark-driver benchmark/*.yml -e /path/to/ruby -e '/path/to/ruby --jit'
+# Run benchmark scripts with multiple Ruby executables or options
+benchmark-driver benchmark/*.rb -e /path/to/ruby -e '/path/to/ruby --jit'
 
 # Or compare Ruby versions managed by rbenv
-benchmark-driver benchmark/*.yml --rbenv '2.5.1;2.6.0-preview2 --jit'
+benchmark-driver benchmark/*.rb --rbenv '2.5.1;2.6.0-preview2 --jit'
 
 # You can collect many metrics in many ways
-benchmark-driver benchmark/*.yml --runner memory --output markdown
+benchmark-driver benchmark/*.rb --runner memory --output markdown
+
+# Some are defined with YAML for complex setup or accurate measurement
+benchmark-driver benchmark/*.yml
 ```
 
 See also: