diff --git a/modules/default/alert/README.md b/modules/default/alert/README.md
index f76549ba..81c133db 100644
--- a/modules/default/alert/README.md
+++ b/modules/default/alert/README.md
@@ -144,7 +144,7 @@ self.sendNotification("SHOW_ALERT", {type: "alert"});
 		</tr>
 		<tr>
 			<td><code>timer</code> (optional)</td>
-			<td>How long the alert should stay visible in seconds.
+			<td>How long the alert should stay visible in ms.
 			<br><b>Important:</b> If you do not use the <code>timer</code>, it is your duty to hide the alert by using <code>self.sendNotification("HIDE_ALERT");</code>!<br>
 				<br><b>Possible values:</b> <code>int</code> <code>float</code>
 				<br><b>Default value:</b> <code>none</code>