README updates

README.md

@@ -83,7 +83,7 @@ func main() {
         io.Copy(os.Stderr, r2)
     }()
 
-    stream.Seal()     // Indicate that there'll be no more readers...
+    stream.Seal()   // Indicate that there'll be no more readers...
     <-stream.Done() // Receives when all readers are closed.
 
     if err := stream.Err(); err != nil && !errors.Is(err, io.EOF) {