diff --git a/app/views/shared/champs/rna/_association.html.haml b/app/views/shared/champs/rna/_association.html.haml
index f0520db90..9fae5d37e 100644
--- a/app/views/shared/champs/rna/_association.html.haml
+++ b/app/views/shared/champs/rna/_association.html.haml
@@ -1,7 +1,6 @@
 - case error
 - when :invalid
-  %p.fr-error-text
-    Le numéro RNA doit commencer par un W majuscule suivi de 9 chiffres ou lettres
+  %p.fr-error-text= t('.invalid_number')
 - when :not_found
   %p.fr-error-text= t('.not_found')
 - when :network_error
diff --git a/config/locales/shared.en.yml b/config/locales/shared.en.yml
index 044deec35..8f057684d 100644
--- a/config/locales/shared.en.yml
+++ b/config/locales/shared.en.yml
@@ -28,9 +28,10 @@ en:
           not_filled: not filled
           not_found: "RNA number %{rna} (no association found)"
         association:
-          data_fetched: "This RNA number is linked to %{title}, %{address}"
+          data_fetched: "This RNA number is linked to: %{title}, %{address}"
           not_found: "No association found"
           network_error: "A network error has prevented the association associated with this RNA to be fetched"
+          invalid_number: "The RNA number must begin with a capital W followed by 9 digits or letters"
       rnf:
         show:
           not_found: "RNF %{rnf} (no foundation found)"
diff --git a/config/locales/shared.fr.yml b/config/locales/shared.fr.yml
index fbca54f2d..968309730 100644
--- a/config/locales/shared.fr.yml
+++ b/config/locales/shared.fr.yml
@@ -30,9 +30,10 @@ fr:
           not_filled: non renseigné
           not_found: "RNA %{rna} (aucun établissement trouvé)"
         association:
-          data_fetched: "Ce RNA correspond à %{title}, %{address}"
+          data_fetched: "Ce RNA correspond à : %{title}, %{address}"
           not_found: "Aucun établissement trouvé"
           network_error: "Une erreur réseau a empêché l’association liée à ce RNA d’être trouvée"
+          invalid_number: "Le numéro RNA doit commencer par un W majuscule suivi de 9 chiffres ou lettres"
       rnf:
         show:
           not_found: "RNF %{rnf} (aucune fondation trouvée)"