diff --git a/pkg/yqlib/doc/operators/kind.md b/pkg/yqlib/doc/operators/kind.md
index 1f65dfbb..4583410c 100644
--- a/pkg/yqlib/doc/operators/kind.md
+++ b/pkg/yqlib/doc/operators/kind.md
@@ -1,3 +1,10 @@
+# Kind
+
+The `kind` operator identifies the type of a node as either `scalar`, `map`, or `seq`.
+
+This can be used for filtering or transforming nodes based on their type.
+
+Note that `null` values are treated as `scalar`.
 
 ## Get kind
 Given a sample.yml file of: