diff --git a/src/userstyles.yml b/src/userstyles.yml
index acfb482..a5400f3 100644
--- a/src/userstyles.yml
+++ b/src/userstyles.yml
@@ -271,7 +271,7 @@ userstyles:
     color: lavender
     readme:
       app-link: "https://proton.me/"
-      usage: "Open Proton Mail and click the settings in the top right, then set the base theme to `Proton` if you are using the Latte flavor, otherwise set it to `Carbon`"
+      usage: "Open Proton Mail and click the settings in the top right, then set the base theme to `Snow` if you are using the Latte flavor, otherwise set it to `Carbon`"
       current-maintainers: [*soya-daizu]
   quizlet:
     name: Quizlet