diff --git a/Gemfile.lock b/Gemfile.lock
index 2583005..898d6b9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    parallel_cucumber (0.1.16)
+    parallel_cucumber (0.1.17)
       cucumber
       parallel (~> 1.6)
 
diff --git a/README.md b/README.md
index b5dc5f3..4bc38c1 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,14 @@
 # Parallel Cucumber
+
+```
+Usage: parallel_cucumber [options] [ [FILE|DIR|URL][:LINE[:LINE]*] ]
+Example: parallel_cucumber -n 4 -o "-f pretty -f html -o report.html" examples/i18n/en/features
+    -n [PROCESSES]                   How many processes to use
+    -o "[OPTIONS]",                  Run cucumber with these options
+        --cucumber-options
+    -e, --env-variables [JSON]       Set additional environment variables to processes
+    -s, --setup-script [SCRIPT]      Execute SCRIPT before each process
+        --thread-delay "[SECONDS]"   Delay before next thread starting
+    -v, --version                    Show version
+    -h, --help                       Show this
+```
diff --git a/lib/parallel_cucumber/cli.rb b/lib/parallel_cucumber/cli.rb
index ba0f047..0868698 100644
--- a/lib/parallel_cucumber/cli.rb
+++ b/lib/parallel_cucumber/cli.rb
@@ -24,7 +24,7 @@ def parse_options!(argv)
         option_parser = OptionParser.new do |opts|
           opts.banner = [
             'Usage: parallel_cucumber [options] [ [FILE|DIR|URL][:LINE[:LINE]*] ]',
-            'Example: parallel_cucumber ... '
+            'Example: parallel_cucumber -n 4 -o "-f pretty -f html -o report.html" examples/i18n/en/features'
           ].join("\n")
           opts.on('-n [PROCESSES]', Integer, 'How many processes to use') { |n| options[:n] = n }
           opts.on('-o', '--cucumber-options "[OPTIONS]"', 'Run cucumber with these options') do |cucumber_options|
diff --git a/lib/parallel_cucumber/runner.rb b/lib/parallel_cucumber/runner.rb
index 5eda6b8..25ddebd 100644
--- a/lib/parallel_cucumber/runner.rb
+++ b/lib/parallel_cucumber/runner.rb
@@ -64,7 +64,7 @@ def env_for_process(process_number)
 
       {
         TEST: 1,
-        TEST_THREAD_NUMBER: process_number
+        TEST_PROCESS_NUMBER: process_number
       }.merge(env).map { |k, v| [k.to_s, v.to_s] }.to_h
     end
 
diff --git a/lib/parallel_cucumber/version.rb b/lib/parallel_cucumber/version.rb
index 65c5ef1..dd79192 100644
--- a/lib/parallel_cucumber/version.rb
+++ b/lib/parallel_cucumber/version.rb
@@ -1,3 +1,3 @@
 module ParallelCucumber
-  VERSION = '0.1.16'
+  VERSION = '0.1.17'
 end # ParallelCucumber