fix some typos (#31969)

Signed-off-by: cuishuang <imcusg@gmail.com>

filebeat/beater/channels.go

@@ -43,7 +43,7 @@ type eventCounter struct {
 	wg    sync.WaitGroup
 }
 
-// countingClient adds and substracts from a counter when events have been
+// countingClient adds and subtracts from a counter when events have been
 // published, dropped or ACKed. The countingClient can be used to keep track of
 // inflight events for a beat.Client instance. The counter is updated after the
 // client has been disconnected from the publisher pipeline via 'Closed'.

filebeat/input/journald/pkg/journalread/reader.go

@@ -68,7 +68,7 @@ func NewReader(log *logp.Logger, journal journal, backoff backoff.Backoff) *Read
 }
 
 // Open opens a journal and creates a reader for it.
-// Additonal settings can be applied to the journal by passing functions to with.
+// Additional settings can be applied to the journal by passing functions to with.
 // Open returns an error if the journal can not be opened, or if one with-function failed.
 //
 // Open will opend the systems journal if the path is empty or matches LOCAL_SYSTEM_JOURNAL.
@@ -148,7 +148,7 @@ func (r *Reader) Seek(mode SeekMode, cursor string) (err error) {
 }
 
 // Next reads a new journald entry from the journal. It blocks if there is
-// currently no entry available in the journal, or until an error has occured.
+// currently no entry available in the journal, or until an error has occurred.
 func (r *Reader) Next(cancel canceler) (*sdjournal.JournalEntry, error) {
 	for cancel.Err() == nil {
 		c, err := r.journal.Next()