CHANGELOG.md in benchmark_driver-0.8.5 vs CHANGELOG.md in benchmark_driver-0.8.6

@@ -1,8 +1,12 @@
+# v0.8.6
+
+- Automatically require `benchmark/output/foo` when `-o foo` is specified
+
 # v0.8.5
 
 - Show time per iteration for ips output
-  - Show clocks too when it's < 1000ns
+  - Show clocks/i too when it's < 1000 clocks/i
 - In ips output, 'B' unit (10^9) is changed to 'G'
 
 # v0.8.4
 
 - Add `loop_count` option to Ruby interface