diff --git a/docs/ota.md b/docs/ota.md
index 873729a32..1f5ba89cb 100644
--- a/docs/ota.md
+++ b/docs/ota.md
@@ -1,3 +1,5 @@
+# NOTE: Install to Inactive Slot is disabled in newer builds of Magisk Manager due to changes that Google introduced to the OTA process: https://twitter.com/topjohnwu/status/1303574238796808192
+
 ## OTA Upgrade Guides
 Magisk does not modify most read-only partitions, which means applying official OTAs is much simpler. Here are the tutorials for several different kind of devices to apply OTAs and preserve Magisk after the installation (if possible). This is just a general guide as procedures for each device may vary.