diff --git a/docs/docs/constants.md b/docs/docs/constants.md
index 36a89976b09..48374cd8c52 100644
--- a/docs/docs/constants.md
+++ b/docs/docs/constants.md
@@ -1,5 +1,7 @@
 # Constants
 
+!> Note! iOS resolves the values from the currently displayed root. If the current root doesn't contain BottomTabs - it will return 0 as the BottomTabs height while Android will always return a static value.
+
 ## statusBarHeight
 ```js
 const constants = await Navigation.constants();