diff --git a/examples/concurrency/concurrency_http.v b/examples/concurrency/concurrency_http.v
index 9787a51d64..a62348308e 100644
--- a/examples/concurrency/concurrency_http.v
+++ b/examples/concurrency/concurrency_http.v
@@ -6,7 +6,7 @@ fn vlang_time(mut wg sync.WaitGroup) ?string {
 	start := time.ticks()
 	data := http.get('https://vlang.io/utc_now')?
 	finish := time.ticks()
-	println('Finish getting time ${(finish-start)} ms')
+	println('Finish getting time ${finish - start} ms')
 	println(data.text)
 	wg.done()
 	return data.text
@@ -16,7 +16,7 @@ fn remote_ip(mut wg sync.WaitGroup) ?string {
 	start := time.ticks()
 	data := http.get('https://api.ipify.org')?
 	finish := time.ticks()
-	println('Finish getting ip ${(finish-start)} ms')
+	println('Finish getting ip ${finish - start} ms')
 	println(data.text)
 	wg.done()
 	return data.text