diff --git a/README.md b/README.md
index 0b05c88..50fca01 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,8 @@ Hat.sh is a web app that provides secure local file encryption in the browser. I
 
 ### Features
 
+Hat.sh requires a dedicated domain or subdomain.
+
 #### Security
 
 - XChaCha20-Poly1305 - for symmetric encryption.
@@ -41,13 +43,15 @@ Hat.sh is a web app that provides secure local file encryption in the browser. I
 
 **Shipped version:** 2.3.6~ynh1
 
-
 **Demo:** https://hat.sh
 
 ## Screenshots
 
 ![Screenshot of Hat.sh](./doc/screenshots/screenshot.gif)
 
+## Disclaimers / important information
+
+Hat.sh requires a dedicated domain or subdomain.
 ## Documentation and resources
 
 * Official app website: <hat.sh>
diff --git a/README_fr.md b/README_fr.md
index 7b774e0..adc58e5 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -19,6 +19,8 @@ Hat.sh is a web app that provides secure local file encryption in the browser. I
 
 ### Features
 
+Hat.sh requires a dedicated domain or subdomain.
+
 #### Security
 
 - XChaCha20-Poly1305 - for symmetric encryption.
@@ -39,8 +41,7 @@ Hat.sh is a web app that provides secure local file encryption in the browser. I
 - Password strength estimation.
 
 
-**Version incluse :** 2.3.6~ynh1
-
+**Version incluse :** 2.3.6~ynh1
 
 **Démo :** https://hat.sh
 
@@ -48,6 +49,9 @@ Hat.sh is a web app that provides secure local file encryption in the browser. I
 
 ![Capture d'écran de Hat.sh](./doc/screenshots/screenshot.gif)
 
+## Avertissements / informations importantes
+
+Hat.sh requires a dedicated domain or subdomain.
 ## Documentations et ressources
 
 * Site officiel de l'app : <hat.sh>