diff --git a/content/docs/for-buildpack-authors/how-to/write-buildpacks/create-slice-layers.md b/content/docs/for-buildpack-authors/how-to/write-buildpacks/create-slice-layers.md
index 22c3b8d32..24b1d0fb8 100644
--- a/content/docs/for-buildpack-authors/how-to/write-buildpacks/create-slice-layers.md
+++ b/content/docs/for-buildpack-authors/how-to/write-buildpacks/create-slice-layers.md
@@ -7,7 +7,7 @@ A `Slice` represents a layer in the `<app>` directory to be exported during the
 
 <!--more-->
 
-A buildpack MAY specify sub-paths within `<app>` as `slices` in `launch.toml`. Separate layers MUST be created during the [export](https://buildpacks.io/docs/for-buildpack-authors/concepts/lifecycle-phases/#phase-5-export) phase for each slice with one or more files or directories.
+A buildpack may specify sub-paths within `<app>` as `slices` in `launch.toml`. The lifecycle will create separate layers during the [export](https://buildpacks.io/docs/for-buildpack-authors/concepts/lifecycle-phases/#phase-5-export) phase for each slice with one or more files or directories.
 
 ## Key Points