diff --git a/multireader.go b/multireader.go
index 511aeec..35fdfab 100644
--- a/multireader.go
+++ b/multireader.go
@@ -21,7 +21,7 @@ func tickReader(sem chan struct{}, ticker *time.Ticker, s string) io.Reader {
 				fmt.Fprintf(w, "%s with %v\n", s, t)
 			default: // try to comment this and then run :)
 			}
-			<-sem // add a ticket to the semaphore 
+			<-sem // add a ticket to the semaphore
 		}
 	}()
 	return r
@@ -46,7 +46,7 @@ func main() {
 	var (
 		wg        sync.WaitGroup
 		semaphore = make(
-			chan struct{}, 
+			chan struct{},
 			1, // only one goroutine can do its thing
 		)
 	)