diff --git a/docs/docs/cmd/spo/site/site-set.mdx b/docs/docs/cmd/spo/site/site-set.mdx
index c50a797c8fd..05c1cfd062a 100644
--- a/docs/docs/cmd/spo/site/site-set.mdx
+++ b/docs/docs/cmd/spo/site/site-set.mdx
@@ -49,6 +49,9 @@ m365 spo site set [options]
 `--siteLogoUrl [siteLogoUrl]`
 : Set the logo for the site collection. This can be an absolute or relative URL to a file on the current site collection.
 
+`--siteThumbnailUrl [siteThumbnailUrl]`
+: Set the thumbnail for the site collection. This can be an absolute or relative URL to a file on the current site collection.
+
 `--resourceQuota [resourceQuota]`
 : The quota for this site collection in Sandboxed Solutions units
 
@@ -184,6 +187,18 @@ Unset the logo on the site
 m365 spo site set --url https://contoso.sharepoint.com/sites/sales --siteLogoUrl ""
 ```
 
+Set the thumbnail on the site
+
+```sh
+m365 spo site set --url https://contoso.sharepoint.com/sites/sales --siteThumbnailUrl "/sites/sales/SiteAssets/parker-ms-1200.png"
+```
+
+Unset the thumbnail on the site
+
+```sh
+m365 spo site set --url https://contoso.sharepoint.com/sites/sales --siteThumbnailUrl ""
+```
+
 Lock the site preventing users from accessing it. Wait for the configuration to complete
 
 ```sh