diff --git a/content/posts/configuration/site-parameters/index.es.md b/content/posts/configuration/site-parameters/index.es.md
index 82c0b4d..a8e7f73 100644
--- a/content/posts/configuration/site-parameters/index.es.md
+++ b/content/posts/configuration/site-parameters/index.es.md
@@ -24,6 +24,8 @@ Para empezar, vamos a establecer un fondo para tu sitio web. Pon la imagen de fo
 
 ```yaml
 background: "images/nombre_de_tu_imagen_de_fondo.jpg"
+# Opcional, para tener un fondo diferente en modo oscuro
+darkBackground: "images/nombre_de_tu_imagen_de_fondo_oscuro.jpg"
 ```
 
 ### Añade un Logo
diff --git a/content/posts/configuration/site-parameters/index.fr.md b/content/posts/configuration/site-parameters/index.fr.md
index ce2d46c..085dd77 100644
--- a/content/posts/configuration/site-parameters/index.fr.md
+++ b/content/posts/configuration/site-parameters/index.fr.md
@@ -21,6 +21,8 @@ D'abord, on va paramètrer un arrière plan sur votre site. Mettez l'image d'arr
 
 ```yaml
 background: "images/<nom-de-votre-image-arrière-plan.jpg"
+# Optionnel, pour une image d'arrière-plan différente en mode sombre
+darkBackground: "images/<nom-de-votre-image-arrière-plan-sombre.jpg"
 ```
 
 ### Ajouter le logo du site
diff --git a/content/posts/configuration/site-parameters/index.md b/content/posts/configuration/site-parameters/index.md
index 1052436..5027b85 100644
--- a/content/posts/configuration/site-parameters/index.md
+++ b/content/posts/configuration/site-parameters/index.md
@@ -21,6 +21,8 @@ At first, let's set a background on your website. Put your desired background im
 
 ```yaml
 background: "images/name-of-your-background-image.jpg"
+# Optional, for a different background image in dark mode
+darkBackground: "images/name-of-your-dark-background-image.jpg"
 ```
 
 ### Add Site's Logo