Update README.md

README.md

@@ -22,7 +22,7 @@ additional performance overhead for benchmarking.
 ```text
 ❯ ./plow http://127.0.0.1:8080/hello -c 20
 Benchmarking http://127.0.0.1:8080/hello using 20 connection(s).
-> Real-time charts is listening on http://127.0.0.1:18888/
+@ Real-time charts is listening on http://[::]:18888
 
 Summary:
   Elapsed        8.6s
@@ -96,7 +96,7 @@ usage: plow [<flags>] <url>
 
 A high-performance HTTP benchmarking tool with real-time web UI and terminal displaying
 
-Example:
+Examples:
 
   plow http://127.0.0.1:8080/ -c 20 -n 100000
   plow https://httpbin.org/post -c 20 -d 5m --body @file.json -T 'application/json' -m POST
@@ -114,15 +114,20 @@ Flags:
   -H, --header=K:V ...         Custom HTTP headers
       --host=HOST              Host header
   -T, --content=CONTENT        Content-Type header
+      --cert=CERT              Path to the client's TLS Certificate
+      --key=KEY                Path to the client's TLS Certificate Private Key
+  -k, --insecure               Controls whether a client verifies the server's certificate chain and host name
       --listen=":18888"        Listen addr to serve Web UI
-      --link="127.0.0.1:18888"  Link addr used for show Web html and request backend server
       --timeout=DURATION       Timeout for each http request
       --dial-timeout=DURATION  Timeout for dial addr
       --req-timeout=DURATION   Timeout for full request writing
       --resp-timeout=DURATION  Timeout for full response reading
       --socks5=ip:port         Socks5 proxy
+      --auto-open-browser      Specify whether auto open browser to show Web charts
       --version                Show application version.
 
+  Flags default values also read from env PLOW_SOME_FLAG, such as PLOW_TIMEOUT=5s equals to --timeout=5s
+
 Args:
   <url>  request url
 ```