fix typo (zenml-io#1881)

docs/book/deploying-zenml/zenml-cloud/user-management.md

@@ -1,6 +1,6 @@
 # User Management
 
-In ZenML Cloud, there is a slightly different entity heirarchy as compared to the open-source ZenML
+In ZenML Cloud, there is a slightly different entity hierarchy as compared to the open-source ZenML
 framework. This document walks you through the key differences and new concepts that are cloud-only.
 ## Organizations, Tenants, and Roles
 
@@ -89,4 +89,4 @@ We are actively developing low privilege service accounts and will update this
 when they are implemented. For the time being all workloads (like for example a
 pipeline run) will get an irrevocable API Token that is valid for 24h - please
 reach out to us in case longer-lasting tokens are needed for your Tenants.
-{% endhint %}
+{% endhint %}