diff --git a/doc/ddu.txt b/doc/ddu.txt
index 2d0273e..ccbc7c3 100644
--- a/doc/ddu.txt
+++ b/doc/ddu.txt
@@ -32,6 +32,7 @@ Actions			|ddu-actions|
   Action options	  |ddu-action-options|
   Action params		  |ddu-action-params|
   Action flags		  |ddu-action-flags|
+Types			|ddu-types|
 Create UI		|ddu-create-ui|
   UI attributes		  |ddu-ui-attributes|
 Create source		|ddu-create-source|
@@ -920,6 +921,14 @@ RestoreCursor
 
 		Default: 8
 
+==============================================================================
+TYPES                                                              *ddu-types*
+
+Please see the TypeScript definition.
+
+https://deno.land/x/ddu_vim/types.ts?doc
+
+
 ==============================================================================
 CREATE UI                                                      *ddu-create-ui*