diff --git a/processor/processor.go b/processor/processor.go
index ceeaf98..2da3a71 100644
--- a/processor/processor.go
+++ b/processor/processor.go
@@ -377,6 +377,7 @@ func (p *processor) loadType(pkg *loader.Package, t gotypes.Type, depth int) *ty
 		if typeDef.UnderlyingType != nil && typeDef.UnderlyingType.Kind == types.BasicKind {
 			typeDef.Package = ""
 		}
+		return typeDef
 
 	case *gotypes.Slice:
 		typeDef.Kind = types.SliceKind
@@ -384,6 +385,7 @@ func (p *processor) loadType(pkg *loader.Package, t gotypes.Type, depth int) *ty
 		if typeDef.UnderlyingType != nil && typeDef.UnderlyingType.Kind == types.BasicKind {
 			typeDef.Package = ""
 		}
+		return typeDef
 
 	case *gotypes.Array:
 		typeDef.Kind = types.ArrayKind
@@ -391,6 +393,7 @@ func (p *processor) loadType(pkg *loader.Package, t gotypes.Type, depth int) *ty
 		if typeDef.UnderlyingType != nil && typeDef.UnderlyingType.Kind == types.BasicKind {
 			typeDef.Package = ""
 		}
+		return typeDef
 
 	case *gotypes.Map:
 		typeDef.Kind = types.MapKind
diff --git a/test/api/v1/guestbook_types.go b/test/api/v1/guestbook_types.go
index 487bcfb..c24df25 100644
--- a/test/api/v1/guestbook_types.go
+++ b/test/api/v1/guestbook_types.go
@@ -29,6 +29,8 @@ type GuestbookSpec struct {
 	Entries []GuestbookEntry `json:"entries,omitempty"`
 	// Selector selects something
 	Selector metav1.LabelSelector `json:"selector,omitempty"`
+	// Headers contains a list of header items to include in the page
+	Headers []GuestbookHeader `json:"headers,omitempty"`
 }
 
 // GuestbookEntry defines an entry in a guest book.
@@ -46,6 +48,9 @@ type GuestbookStatus struct {
 	Status string `json:"status"`
 }
 
+// GuestbookHeaders are strings to include at the top of a page.
+type GuestbookHeader string
+
 // +kubebuilder:object:root=true
 
 // Guestbook is the Schema for the guestbooks API.
diff --git a/test/api/v1/zz_generated.deepcopy.go b/test/api/v1/zz_generated.deepcopy.go
index ae2a760..bde5968 100644
--- a/test/api/v1/zz_generated.deepcopy.go
+++ b/test/api/v1/zz_generated.deepcopy.go
@@ -116,6 +116,11 @@ func (in *GuestbookSpec) DeepCopyInto(out *GuestbookSpec) {
 		}
 	}
 	in.Selector.DeepCopyInto(&out.Selector)
+	if in.Headers != nil {
+		in, out := &in.Headers, &out.Headers
+		*out = make([]GuestbookHeader, len(*in))
+		copy(*out, *in)
+	}
 }
 
 // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new GuestbookSpec.
diff --git a/test/expected.asciidoc b/test/expected.asciidoc
index 276ae3a..571a98f 100644
--- a/test/expected.asciidoc
+++ b/test/expected.asciidoc
@@ -43,7 +43,7 @@ Guestbook is the Schema for the guestbooks API.
 [id="{anchor_prefix}-github-com-elastic-crd-ref-docs-api-v1-guestbookentry"]
 ==== GuestbookEntry 
 
-
+GuestbookEntry defines an entry in a guest book.
 
 .Appears In:
 ****
@@ -59,6 +59,18 @@ Guestbook is the Schema for the guestbooks API.
 |===
 
 
+[id="{anchor_prefix}-github-com-elastic-crd-ref-docs-api-v1-guestbookheader"]
+==== GuestbookHeader (string) 
+
+
+
+.Appears In:
+****
+- xref:{anchor_prefix}-github-com-elastic-crd-ref-docs-api-v1-guestbookspec[$$GuestbookSpec$$]
+****
+
+
+
 [id="{anchor_prefix}-github-com-elastic-crd-ref-docs-api-v1-guestbooklist"]
 ==== GuestbookList 
 
@@ -93,6 +105,7 @@ GuestbookSpec defines the desired state of Guestbook.
 | *`page`* __integer__ | Page indicates the page number
 | *`entries`* __xref:{anchor_prefix}-github-com-elastic-crd-ref-docs-api-v1-guestbookentry[$$GuestbookEntry$$] array__ | Entries contain guest book entries for the page
 | *`selector`* __link:https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.15/#labelselector-v1-meta[$$LabelSelector$$]__ | Selector selects something
+| *`headers`* __xref:{anchor_prefix}-github-com-elastic-crd-ref-docs-api-v1-guestbookheader[$$GuestbookHeader$$] array__ | Headers contains a list of header items to include in the page
 |===
 
 
diff --git a/types/types.go b/types/types.go
index ce819e1..b3a1542 100644
--- a/types/types.go
+++ b/types/types.go
@@ -115,7 +115,7 @@ func (t *Type) IsBasic() bool {
 	switch t.Kind {
 	case BasicKind:
 		return true
-	case AliasKind, SliceKind, ArrayKind, PointerKind:
+	case SliceKind, ArrayKind, PointerKind:
 		return t.UnderlyingType != nil && t.UnderlyingType.IsBasic()
 	case MapKind:
 		return t.KeyType != nil && t.KeyType.IsBasic() && t.ValueType != nil && t.ValueType.IsBasic()