Update swap-documentation-templates.qmd (#170)

Fixed missing period

Author: robinzimmermann

site/guide/swap-documentation-templates.qmd

@@ -9,7 +9,7 @@ When swapping templates, only the document structure is changed. Any modificatio
 
 ## Prerequisites
 
-- You must hold the `Developer` role to update the template for model documentation
+- You must hold the `Developer` role to update the template for model documentation.
 - You must hold the `Validator` role to update the validation report template for their validation report.
 
 ## View current templates
@@ -82,4 +82,4 @@ If you added a simple text block to your old template and want to reuse the cont
 ## What's next
 
 - [Get started with the ValidMind Developer Framework](get-started-developer-framework.qmd)
---->
+--->