diff --git a/doc/org-manual.org b/doc/org-manual.org
index 0680fb593..4fb017db8 100644
--- a/doc/org-manual.org
+++ b/doc/org-manual.org
@@ -20021,11 +20021,16 @@ changes.
   | =nofnadjust= | Do not renumber and sort automatically.                |
 
   #+vindex: org-hide-block-startup
-  To hide blocks on startup, use these keywords.  The
-  corresponding variable is ~org-hide-block-startup~.
+  #+vindex: org-hide-drawer-startup
+  To hide blocks or drawers on startup, use these keywords.  The
+  corresponding variables are ~org-hide-block-startup~ and
+  ~org-hide-drawer-startup~.
+
+  | =hideblocks=    | Hide all begin/end blocks on startup. |
+  | =nohideblocks=  | Do not hide blocks on startup.        |
+  | =hidedrawers=   | Hide all begin/end blocks on startup. |
+  | =nohidedrawers= | Do not hide blocks on startup.        |
 
-  | =hideblocks=   | Hide all begin/end blocks on startup. |
-  | =nohideblocks= | Do not hide blocks on startup.        |
 
   #+vindex: org-pretty-entities
   The display of entities as UTF-8 characters is governed by the