fix misspelling in metered_reader.go
@@ -12,7 +12,7 @@ type MeteredReader struct {
cb MeteredReaderCallback
}
-// Read passes the read through to the underlying reader. On a succesful read,
+// Read passes the read through to the underlying reader. On a successful read,
// it will trigger the attached callback and provide it with metrics. If no
// callback is set, it will ignore it.
func (m *MeteredReader) Read(p []byte) (n int, err error) {
