refs #163: sparkfabrik who we are is now the manifest page

content/organization/roles-accountabilities.md

@@ -10,7 +10,7 @@ We all share a set of accountabilities, regardless of our job position and role
 
 ### Client satisfaction
 
-The client is not always right, or they would not turn to us to solve their problems. Still, [we value technical quality and good human relations over everything else](https://www.sparkfabrik.com/en/who-we-are.html). Be kind and clear, explain your positions and always focus on customer needs, with open ears and a bright smile. Everybody is called to ultimately deliver a great customer experience.
+The client is not always right, or they would not turn to us to solve their problems. Still, [we value technical quality and good human relations over everything else](https://www.sparkfabrik.com/en/the-manifesto/). Be kind and clear, explain your positions and always focus on customer needs, with open ears and a bright smile. Everybody is called to ultimately deliver a great customer experience.
 
 ### Delivering projects
 

content/working-at-sparkfabrik/career-advancement.md

@@ -27,7 +27,7 @@ Taking a new role will impact:
 
 ## Taking the challenge
 
-To fulfill [its vision](https://www.sparkfabrik.com/en/who-we-are.html), SparkFabrik sells and cultivates high seniorities. We generally expect junior developers to eventually become senior developers.
+To fulfill [its vision](https://www.sparkfabrik.com/en/the-manifesto/), SparkFabrik sells and cultivates high seniorities. We generally expect junior developers to eventually become senior developers.
 
 Still, despite nobody can consciously avoid learning from experience, not all juniors want to take over the responsibilities of a senior. And not all seniors crave to become team leaders or software architects. This is understandable and we respect the choice.