diff --git a/epoxy-paging/src/main/java/com/airbnb/epoxy/paging/PagedListEpoxyController.kt b/epoxy-paging/src/main/java/com/airbnb/epoxy/paging/PagedListEpoxyController.kt
index c5250ae2b8..d60a694ae5 100644
--- a/epoxy-paging/src/main/java/com/airbnb/epoxy/paging/PagedListEpoxyController.kt
+++ b/epoxy-paging/src/main/java/com/airbnb/epoxy/paging/PagedListEpoxyController.kt
@@ -39,6 +39,9 @@ abstract class PagedListEpoxyController<T>(
   /**
    * The handler to use for building models. By default this uses the main thread, but you can use
    * [EpoxyAsyncUtil.getAsyncBackgroundHandler] to do model building in the background.
+   *
+   * The notify thread of your PagedList (from setNotifyExecutor in the PagedList Builder) must be 
+   * the same as this thread. Otherwise Epoxy will crash.
    */
   modelBuildingHandler: Handler = EpoxyController.defaultModelBuildingHandler,
   /**
@@ -119,4 +122,4 @@ abstract class PagedListEpoxyController<T>(
       override fun areContentsTheSame(oldItem: Any?, newItem: Any?) = oldItem == newItem
     }
   }
-}
\ No newline at end of file
+}