Update customize-default-site-design.md (SharePoint#7346)

Holland-ODSP · web-flow · commit 8cc104889032 · 2021-09-27T10:58:30.000+03:00
diff --git a/docs/declarative-customization/customize-default-site-design.md b/docs/declarative-customization/customize-default-site-design.md
@@ -18,6 +18,7 @@ To customize a default site template, apply a new template script using PowerShe
 | WebTemplate  | 64 | Team site template |
 | WebTemplate 1 | 1 | Team site (with group creation disabled) |
 | WebTemplate    | 68 | Communication site template |
+| WebTemplate    | 69 | Channel site template |
 
 
 The following example shows how to use the **IsDefault** switch to apply the Contoso company theme to the default site templates. The site script referenced by ID contains the JSON script to apply the correct theme.
