Reference example

Signed-off-by: Yuri Shkuro <github@ysh.us>

cmd/query/app/flags.go

@@ -107,7 +107,7 @@ func AddFlags(flagSet *flag.FlagSet) {
 	flagSet.Var(&config.StringSlice{}, queryAdditionalHeaders, `Additional HTTP response headers.  Can be specified multiple times.  Format: "Key: Value"`)
 	flagSet.String(queryHTTPHostPort, ports.PortToHostPort(ports.QueryHTTP), "The host:port (e.g. 127.0.0.1:14268 or :14268) of the query's HTTP server")
 	flagSet.String(queryGRPCHostPort, ports.PortToHostPort(ports.QueryGRPC), "The host:port (e.g. 127.0.0.1:14250 or :14250) of the query's gRPC server")
-	flagSet.String(queryBasePath, "/", "The base path for all HTTP routes, e.g. /jaeger; useful when running behind a reverse proxy")
+	flagSet.String(queryBasePath, "/", "The base path for all HTTP routes, e.g. /jaeger; useful when running behind a reverse proxy. See https://github.com/jaegertracing/jaeger/blob/main/examples/reverse-proxy/README.md")
 	flagSet.String(queryStaticFiles, "", "The directory path override for the static assets for the UI")
 	flagSet.Bool(queryLogStaticAssetsAccess, false, "Log when static assets are accessed (for debugging)")
 	flagSet.String(queryUIConfig, "", "The path to the UI configuration file in JSON format")