doc: fix wording error

backend/src/main/asciidoc/index.adoc

@@ -11,7 +11,7 @@ The request and response bodies are always JSON. The examples showed here are pr
 to read, but they're not in reality. If you're using the services with the command-line, using HTTPie instead
 of curl allows automatically pretty-printing the returned JSON.
 
-All examples here use HTTP, and show example with `localhost` as the server, and 8080 as port. To use the
+All examples here use HTTP, and use `localhost` as the server, and 8080 as port. To use the
 actual deployed web services, you must of course use the actual protocol, host name and port.
 
 Some headers are also removed from the snippets here, to improve readability.