diff --git a/any_test.go b/any_test.go
index e085228..29a421c 100644
--- a/any_test.go
+++ b/any_test.go
@@ -137,7 +137,7 @@ func ExampleAny_resetBehavior() {
 	//1
 	//failure <nil>
 	//1
-	//failure behaviortree.Sequence encountered error with child at index 0: some_error
+	//failure some_error
 	//1
 	//2
 	//success <nil>
@@ -282,7 +282,7 @@ func TestAny_nilChildTick(t *testing.T) {
 	if status != Failure {
 		t.Error(status)
 	}
-	if err == nil || err.Error() != `behaviortree.Sequence encountered error with child at index 0: behaviortree.Node cannot tick a node with a nil tick` {
+	if err == nil || err.Error() != `behaviortree.Node cannot tick a node with a nil tick` {
 		t.Error(err)
 	}
 }
diff --git a/selector.go b/selector.go
index 9b0add3..ef062b8 100644
--- a/selector.go
+++ b/selector.go
@@ -16,15 +16,13 @@
 
 package behaviortree
 
-import "fmt"
-
-// Selector is a tick implementation that will succeed if no children fail, returning running if any children return
-// running, propagating any error
+// Selector is a tick implementation that ticks each child sequentially, until the the first error (returning the
+// error), the first non-failure status (returning the status), or all children are ticked (returning failure)
 func Selector(children []Node) (Status, error) {
-	for i, c := range children {
+	for _, c := range children {
 		status, err := c.Tick()
 		if err != nil {
-			return Failure, fmt.Errorf("behaviortree.Selector encountered error with child at index %d: %s", i, err.Error())
+			return Failure, err
 		}
 		if status == Running {
 			return Running, nil
diff --git a/sequence.go b/sequence.go
index 23786f4..5aa4931 100644
--- a/sequence.go
+++ b/sequence.go
@@ -16,15 +16,13 @@
 
 package behaviortree
 
-import "fmt"
-
-// Sequence is a tick implementation that will succeed if any children succeed, returning running if any children
-// return running, propagating any error
+// Sequence is a tick implementation that ticks each child sequentially, until the the first error (returning the
+// error), the first non-success status (returning the status), or all children are ticked (returning success)
 func Sequence(children []Node) (Status, error) {
-	for i, c := range children {
+	for _, c := range children {
 		status, err := c.Tick()
 		if err != nil {
-			return Failure, fmt.Errorf("behaviortree.Sequence encountered error with child at index %d: %s", i, err.Error())
+			return Failure, err
 		}
 		if status == Running {
 			return Running, nil