Update main_unix_test.go
so->,so
@@ -54,7 +54,7 @@ func TestStartupInterrupt(t *testing.T) {
Loop:
for x := 0; x < 10; x++ {
- // error=nil means prometheus has started so we can send the interrupt
+ // error=nil means prometheus has started, so we can send the interrupt
// signal and wait for the graceful shutdown.
if _, err := http.Get(url); err == nil {
startedOk = true
