diff --git a/source/part-1-workspace/maintainable-applications/clean_architecture.adoc b/source/part-1-workspace/maintainable-applications/clean_architecture.adoc
index 7ce1e86..2da7e6b 100644
--- a/source/part-1-workspace/maintainable-applications/clean_architecture.adoc
+++ b/source/part-1-workspace/maintainable-applications/clean_architecture.adoc
@@ -13,7 +13,8 @@ Derrière une bonne architecture, il y a aussi un investissement quant aux resso
 à faire évoluer l’application. 
 Ne pas investir dès qu’on le peut va juste lentement remplir la case de la dette technique.
 
-Good architecture makes the system easy to understand, easy to develop, easy to maintain and easy to deploy. The ultimate goal is to minimize the lifetime cost of the system and to maximize programmer productivity (
+Good architecture makes the system easy to understand, easy to develop, easy to maintain and easy to deploy. 
+The ultimate goal is to minimize the lifetime cost of the system and to maximize programmer productivity.
 -- Robert C. Martin, Clean Architecture, Chapitre 15, what is architecture ?, page 137
 
 Une architecture ouverte et pouvant être étendue au travers de plug-in n’a d’intérêt que si le