diff --git a/docs/language/contract-updatability.md b/docs/language/contract-updatability.md
index 622892f..4c57fdc 100644
--- a/docs/language/contract-updatability.md
+++ b/docs/language/contract-updatability.md
@@ -225,8 +225,8 @@ A field may belong to a contract, struct, resource, or interface.
   pub struct Foo {
   }
   ```
-  This is because if there was a container of type `T` (i.e: an array `[T]` or dictionary `{R:T}`, etc.), 
-  and if a `Foo` value had been stored in that container, then that container value will become invalid,
+  This is because if there was a container of type `T` (e.g., an array `[T]` or dictionary `{R:T}`, etc.), or a field of type `T`,
+  and if a `Foo` value had been stored in that container or field, then that container value will become invalid,
   as it will now hold a value that does not conform to `T`.
 
 ### Updating Members