eth: various typos

eth/filters/api.go

@@ -47,7 +47,7 @@ const (
 	logFilterTy
 )
 
-// PublicFilterAPI offers support to create and manage filters. This will allow externa clients to retrieve various
+// PublicFilterAPI offers support to create and manage filters. This will allow external clients to retrieve various
 // information related to the Ethereum protocol such als blocks, transactions and logs.
 type PublicFilterAPI struct {
 	mux *event.TypeMux

eth/filters/filter_system_test.go

@@ -96,6 +96,6 @@ func TestCallbacks(t *testing.T) {
 	select {
 	case <-pendingLogDone:
 	case <-failTimer.C:
-		t.Error("pending log filter failed to trigger (timout)")
+		t.Error("pending log filter failed to trigger (timeout)")
 	}
 }