adding link to definition management

manual/project_management_details.md

@@ -91,7 +91,7 @@ Personnel can be unlinked from a Project by clicking on the trash icon that will
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 ### 3.2.4 Manage Project Contacts
 
-A project's *Contacts* refer to those persons that are associated with the project, but these **are not users** of the DAISY system. Under the *Definitions Management* module, it is possible to manage *Contacts* and search for them. Management of contacts can be also done directly on *Project's* page via The *Contacts* detail box.    
+A project's *Contacts* refer to those persons that are associated with the project, but these **are not users** of the DAISY system. Under the [*Definitions Management*]({{ "/manual/definitions_management_details" | relative_url }}) module, it is possible to manage *Contacts* and search for them. Management of contacts can be also done directly on *Project's* page via The *Contacts* detail box.    
 
 <mark>To add project's contact details:</mark>