diff --git a/README.md b/README.md
index cfcf6bc..f2e8878 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ gem 'cfonb'
 `OperationDetails` are lines starting with `05`. They aim at providing additional information about the operation.
 Below is the list of additional details available for each operation.
 
-These details can be accessed through `operation.details`, which will provide all the attributes. To fetch a specific attribute, you can use `operation.details.attribute`. For example, `operation.details.unstructured_label`.
+These details can be accessed through `operation.details`, which will provide all the attributes. To fetch a specific attribute, you can use `operation.details.attribute`. For example, `operation.details.unstructured_label`. Ultimately, you can also access the 70 characters of the detail by using its code like `operation.details.mmo`
 
 If you encounter new ones, please open an issue or a pull request with the appropriate implementation.
 We aimed at making it as easy as possible to add new details. You just need to do the following on initialization: