Apply suggestion from @mjang

Author: mjang

content/includes/nginx-plus/oss-plus-comparison.md

@@ -2,4 +2,4 @@
 docs:
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-{{< call-out "note" >}}For a detailed comparison between NGINX Plus and NGINX Open Source, refer to [Differences between NGINX Open Source and NGINX Plus](https://www.f5.com/placeholder) on the F5 website.{{</ call-out >}}
+{{< call-out "note" >}}For a detailed comparison between NGINX Plus and NGINX Open Source, refer to [Differences between NGINX Open Source and NGINX Plus](https://www.f5.com/products/get-f5/nginx-open-source-vs-nginx-one-differences-in-features) on the F5 website.{{</ call-out >}}