Fixed comment spelling (#1254)
diff --git a/codes/codes.go b/codes/codes.go
index e14b464..dcae5cc 100644
--- a/codes/codes.go
+++ b/codes/codes.go
@@ -44,7 +44,7 @@
// OK is returned on success.
OK Code = 0
- // Canceled indicates the operation was cancelled (typically by the caller).
+ // Canceled indicates the operation was canceled (typically by the caller).
Canceled Code = 1
// Unknown error. An example of where this error may be returned is
diff --git a/transport/transport.go b/transport/transport.go
index cccbaf5..6bec5bd 100644
--- a/transport/transport.go
+++ b/transport/transport.go
@@ -247,7 +247,7 @@
// Header acquires the key-value pairs of header metadata once it
// is available. It blocks until i) the metadata is ready or ii) there is no
-// header metadata or iii) the stream is cancelled/expired.
+// header metadata or iii) the stream is canceled/expired.
func (s *Stream) Header() (metadata.MD, error) {
select {
case <-s.ctx.Done():
