diff --git a/i18n/en/docusaurus-plugin-content-docs/current/tariffs.mdx b/i18n/en/docusaurus-plugin-content-docs/current/tariffs.mdx
index e9437571f2..23b06929a1 100644
--- a/i18n/en/docusaurus-plugin-content-docs/current/tariffs.mdx
+++ b/i18n/en/docusaurus-plugin-content-docs/current/tariffs.mdx
@@ -50,10 +50,10 @@ tariffs:
     type: fixed
     price: 0.294 # EUR/kWh (default)
     zones:
-      - days: Mo-Fr
+      - days: Mon-Fri
         hours: 2-5
         price: 0.2 # EUR/kWh
-      - days: Sa,So
+      - days: Sat,Sun
         price: 0.15 # EUR/kWh
 ```