diff --git a/Important-tips.md b/Important-tips.md
index 598d45a..8c6932c 100644
--- a/Important-tips.md
+++ b/Important-tips.md
@@ -20,4 +20,5 @@
 
 ### Hardware:
 * **Automatic zoom of every corner can be only disabled directly on Kindle.** There is no KCC option to do that.
+* If you use **Kindle Paperwhite** firmware 5.6.0+ is highly recommended.
 * If you use **Kindle Keyboard** you **must** update firmware to version 3.4+. Otherwise it will not be able open MOBI files created by KCC.
\ No newline at end of file