README.md in test-queue-0.2.1 vs README.md in test-queue-0.2.2

- old
+ new
@@ -29,9 +29,10 @@
 - `TEST_QUEUE_WORKERS`: number of workers to use per master (default: all available cores)
 - `TEST_QUEUE_VERBOSE`: show results as they are available (default: `0`)
 - `TEST_QUEUE_SOCKET`: unix socket `path` (or tcp `address:port` pair) used for communication (default: `/tmp/test_queue_XXXXX.sock`)
 - `TEST_QUEUE_RELAY`: relay results back to a central master, specified as tcp `address:port`
 - `TEST_QUEUE_STATS`: `path` to cache build stats in-build CI runs (default: `.test_queue_stats`)
+- `TEST_QUEUE_FORCE`: comma separated list of suites to run
 
 ### usage
 
 test-queue bundles `minitest-queue` and `rspec-queue` binaries which can be used directly:
 