diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 9fbb6fda..18baffcd 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -120,7 +120,7 @@
     <string name="action_login">Login with Tusky</string>
     <string name="action_browser_login">Login with Browser</string>
     <string name="action_logout">Log out</string>
-    <string name="action_logout_confirm">Are you sure you want to log out of the account %1$s?</string>
+    <string name="action_logout_confirm">Are you sure you want to log out of %1$s? This will delete all local data of the account, including drafts and preferences.</string>
     <string name="action_post_failed">Upload failed</string>
     <string name="action_post_failed_detail">Your post failed to upload and has been saved to drafts.\n\nEither the server could not be contacted, or it rejected the post.</string>
     <string name="action_post_failed_detail_plural">Your posts failed to upload and have been saved to drafts.\n\nEither the server could not be contacted, or it rejected the posts.</string>