upd usage removed addr from json

Author: pakrentos

README.md

@@ -23,15 +23,14 @@ sudo ./install.sh
 ### Usage
 
 ``` text
-SELECT send_<post/put/delete>([<URL or IP with port>] as alias0, data1 as alias1, data2 as alias2, ...)
+SELECT send_<post/put/delete>([<URL or IP with port>], data1 as alias1, data2 as alias2, ...)
 FROM ...;
 ```
 equivalent to 
 ``` bash
-curl -X <POST/PUT/DELETE/ "<URL or IP with port>" \
+curl -X <POST/PUT/DELETE/> "<URL or IP with port>" \
 -H "Content-Type: application/json" \
 -d "{
-      \"alias0\":\"<URL or IP with port>\",
       \"alias1\":\"data1\",
       \"alias2\":\"data2\",
       ...