Update README to account for cobra-cli

README.md

@@ -5,14 +5,22 @@ CLI tool get HTTP status code information.
 _This is a tool for me to learn Go, so you probably shouldn't use this._
 
 ```
-λ httpwut -h        
-Get HTTP status code information
-usage: httpwut [100..511] [-v|--verbose] [-c|--cats] [-d|--dogs]
+λ httpwut is -h    
+Lookup HTTP status codes
 
-λ httpwut 502       
+Usage:
+  httpwut is [flags]
+
+Flags:
+  -c, --cats      Open HTTP Status Cats webpage for status
+  -d, --dogs      Open HTTP Status Dogs webpage for status
+  -h, --help      help for is
+  -v, --verbose   Print status code description and URL
+
+λ httpwut is 502       
 502 - Bad Gateway
 
-λ httpwut 502 --verbose
+λ httpwut is 502 --verbose
 502 - Bad Gateway
 The server, while acting as a gateway or proxy, received an invalid response from an inbound server it accessed while attempting to fulfill the request.
 https://www.rfc-editor.org/rfc/rfc9110.html#name-502-bad-gateway