diff --git a/doc/TS-MIGRATION.md b/doc/TS-MIGRATION.md
index d7ebc7f4..f3773747 100644
--- a/doc/TS-MIGRATION.md
+++ b/doc/TS-MIGRATION.md
@@ -2,8 +2,12 @@
 
 ## Use `type` rather than `interface` for named parameters and POJO return values.
 
-`type` and `interface` can be used somewhat interchangebly used, but let's use `type` to describe data and `interface` to describe (polymorphic) behaviour.
+`type` and `interface` can be used somewhat interchangeably, but let's use `type` to describe data and `interface` to describe (polymorphic) behaviour.
 
 Good examples of data are option objects to have named parameters, and POJO (plain old javascript objects) without any methods, just fields.
 
 Also see [this playground](https://www.typescriptlang.org/play?#code/C4TwDgpgBACghgJwgO2AeTMAlge2QZygF4oBvAKCiqmTgFsIAuKfYBLZAcwG5LqATCABs4IAPzNkAVzoAjCAl4BfcuVCQoAYQAWWIfwzY8hEvCSpDuAlABkZPlQDGOITgTNW7LstWOR+QjMUYHtqKGcCNilHYDcAChxMK3xmIIsk4wBKewcoFRVyPzgArV19KAgAD2AUfkDEYNDqCM9o2IQEjIJmHT0DLvxsijCw-ClIDsSjAkzeEebjEIYAuE5oEgADABJSKeSAOloGJSgsQh29433nVwQlDbnqfKA)
+
+## Use `Record<string, any>` to describe a type that accepts any Javascript object.
+
+Prefer this over index signature, `any` or `object`.