diff --git a/config/locales/models/champs/rnf_champ/en.yml b/config/locales/models/champs/rnf_champ/en.yml
index 8050acc4b..7b65475ef 100644
--- a/config/locales/models/champs/rnf_champ/en.yml
+++ b/config/locales/models/champs/rnf_champ/en.yml
@@ -18,4 +18,4 @@ en:
     attributes:
       champs/rnf_champ:
           hints:
-            value: "Expected format : 075-FDD-00003-01"
+            value_html: "Expected format: <span aria-hidden='true'>075-FDD-00003-01</span> <span class='sr-only'>075 hyphen FDD hyphen 00003 hyphen 01</span>"
diff --git a/config/locales/models/champs/rnf_champ/fr.yml b/config/locales/models/champs/rnf_champ/fr.yml
index a847d6e52..7d95e7f71 100644
--- a/config/locales/models/champs/rnf_champ/fr.yml
+++ b/config/locales/models/champs/rnf_champ/fr.yml
@@ -18,4 +18,4 @@ fr:
     attributes:
       champs/rnf_champ:
           hints:
-            value: "Format attendu : 075-FDD-00003-01"
+            value_html: "Format attendu : <span aria-hidden='true'>075-FDD-00003-01</span> <span class='sr-only'>075 tiret FDD tiret 00003 tiret 01</span>"