Fix broken links.

Author: MarkvanMents

content/en/docs/community-tools/contribute-to-mendix-docs/style-guide/product-naming-guide.md

@@ -24,7 +24,7 @@ A term may not already be included in this guide for the following reasons:
 * The term is outdated (meaning, usage of it has been decided against)
 * The term should not be used in customer-facing resources
 
-This is a useful guide to reference when communicating about the Mendix Platform and especially when you want to [contribute to the Mendix documentation](/developerportal/community-tools/contribute-to-the-mendix-documentation).
+This is a useful guide to reference when communicating about the Mendix Platform and especially when you want to [contribute to the Mendix documentation](/community-tools/contribute-to-mendix-docs/).
 
 This guide does not give insights into the product roadmap or internal company operations.
 
@@ -153,7 +153,7 @@ Do not use "starter app."
 
 ### App User
 
-For a definition of this term, see the [Access Management](/developerportal/collaborate/general-settings/#managing-app-users) section of the *Developer Portal Guide*.
+For a definition of this term, see [Access Management](/developerportal/portfolio-management/access-management/).
 
 Capitalize in all instances.
 
@@ -431,7 +431,7 @@ This is a generic term, so do not capitalize.
 
 ### Product Owner
 
-Capitalize in all instances of the [team role](/developerportal/collaborate/app-roles/#team-roles).
+Capitalize in all instances of the [team role](/developerportal/general/app-roles/#team-roles).
 
 ### production, acceptance, and test environments
 

content/en/docs/community-tools/contribute-to-mendix-docs/style-guide/terminology.md

@@ -59,7 +59,7 @@ In the context of development and project management, sometimes using "project"
 
 ## app owner
 
-This is not a formalized/Mendix term (in comparison to [App Contact](/developerportal/company-app-roles/#app-contact)), so we cannot assume the user knows what this is. This should be defined in general terms and made clearer via context (for example, via the "Copyright" example in the [MindSphere module documentation](/partners/siemens/mindsphere-module-details#3-1-configuring-the-os-bar)) that it is the user's responsibility to define/interpret what an app owner is for their app.
+This is not a formalized/Mendix term (in comparison to [App Contact](/developerportal/general/app-roles/)), so we cannot assume the user knows what this is. This should be defined in general terms and made clearer via context (for example, via the "Copyright" example in the [Insights Hub module documentation](/partners/siemens/mindsphere-module-details/#configuring-the-os-bar)) that it is the user's responsibility to define/interpret what an app owner is for their app.
 
 ## article, document, page