diff --git a/FAQ.md b/FAQ.md
index 0c5f47bdb1..b295d2ab9a 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -2265,7 +2265,7 @@ To set the poll interval:
 (adb shell) adb shell am start-foreground-service -a eu.faircode.email.INTERVAL --ei minutes nnn
 ```
 
-Where *nnn* is one of 0, 15, 30, 60, 120, 240, 480, 1440.
+Where *nnn* is one of 0, 15, 30, 60, 120, 240, 480, 1440. A value of 0 means push messages.
 
 You can automatically send commands with for example [Tasker](https://tasker.joaoapps.com/userguide/en/intents.html):