diff --git a/website/app/vt/sd/page.mdx b/website/app/vt/sd/page.mdx
index bdd685295..195029f4f 100644
--- a/website/app/vt/sd/page.mdx
+++ b/website/app/vt/sd/page.mdx
@@ -13,3 +13,25 @@ the scroll region. The cursor position after the operation must be unchanged
 from when SD was invoked.
 
 This sequence unsets the pending wrap state.
+
+## Validation
+
+### SD V-1: Outside of Top/Bottom Scroll Region
+
+```bash
+printf "\033[1;1H" # move to top-left
+printf "\033[0J" # clear screen
+printf "ABC\n"
+printf "DEF\n"
+printf "GHI\n"
+printf "\033[3;4r" # scroll region top/bottom
+printf "\033[2;2H"
+printf "\033[T"
+```
+
+```
+|ABC_____|
+|DEF_____|
+|________|
+|GHI_____|
+```