README.md in rangescan-0.1.4 vs README.md in rangescan-0.2.0

@@ -25,16 +25,17 @@
 Usage:
   rangescan scan [IP_WITH_SUBNET_MASK, REGEXP]
 
 Options:
   [--host=HOST]                      # Host header
-  [--port=N]                         # Port to check (80 or 443)
-  [--scheme=SCHEME]                  # Scheme to use (http or https)
+  [--port=N]                         # Port
+  [--scheme=SCHEME]                  # Scheme (http or https)
   [--timeout=N]                      # Timeout in seconds
-  [--user-agent=USER_AGENT]          # User Agent header
-  [--veryfy-ssl], [--no-veryfy-ssl]  # Verify SSL or not
+  [--user-agent=USER_AGENT]          # User Agent
+  [--verify-ssl], [--no-verify-ssl]  # Whether to verify SSL or not
+  [--max-concurrency=N]              # Concurrency limit for HTTP requests to scan
 
-Scan an IP range & filter by a regexp
+Scan an IP range & filter by a regexp (default regexp = .)
 ```
 
 ## License
 
 The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).