update comments

cxiang03 · cxiang03 · commit 03dad520d420 · 2021-01-04T19:32:36.000+08:00
diff --git a/nested_set.go b/nested_set.go
@@ -14,7 +14,7 @@ import (
 // MoveDirection means where the node is going to be located
 type MoveDirection int
 
-// MoveDirectionLeft ...
+// MoveDirections ...
 const (
 	// MoveDirectionLeft : MoveTo(db, a, n, MoveDirectionLeft) => a|n|...
 	MoveDirectionLeft MoveDirection = -1
