Update managing-transport-security.md

Author: jemayn

umbraco-cloud/build-and-customize-your-solution/set-up-your-project/security/managing-transport-security.md

@@ -54,7 +54,7 @@ Continent-based managed challenge presents a challenge meant to only pass throug
 
 All continents are supported, as well as presenting a challenge to all requests from the [Tor](https://en.wikipedia.org/wiki/Tor_(network)) network.
 
-{% hint style="warn" %}
+{% hint style="warning" %}
 Be aware that this will also block services you may want such as Googles Search indexing bot.
 {% endhint %}