diff --git a/docs/devel/api_changes.md b/docs/devel/api_changes.md
index e244096fd0b..987d5576267 100644
--- a/docs/devel/api_changes.md
+++ b/docs/devel/api_changes.md
@@ -51,7 +51,6 @@ found at [API Conventions](api-conventions.md).
     - [Edit types.go](#edit-typesgo)
   - [Edit validation.go](#edit-validationgo)
   - [Edit version conversions](#edit-version-conversions)
-  - [Edit deep copy files](#edit-deep-copy-files)
   - [Edit json (un)marshaling code](#edit-json-unmarshaling-code)
   - [Making a new API Group](#making-a-new-api-group)
   - [Update the fuzzer](#update-the-fuzzer)
@@ -456,9 +455,14 @@ regenerate auto-generated ones. To regenerate them:
    - run
 
 ```sh
-hack/update-generated-conversions.sh
+hack/update-codegen.sh
 ```
 
+update-codegen will also generate code to handle deep copy of your versioned
+api objects. The deep copy code resides with each versioned API:
+   - `pkg/api/<version>/deep_copy_generated.go` containing auto-generated copy functions
+   - `pkg/apis/extensions/<version>/deep_copy_generated.go` containing auto-generated copy functions
+
 If running the above script is impossible due to compile errors, the easiest
 workaround is to comment out the code causing errors and let the script to
 regenerate it. If the auto-generated conversion methods are not used by the
@@ -468,23 +472,6 @@ generator to create it from scratch.
 Unsurprisingly, adding manually written conversion also requires you to add tests to
 `pkg/api/<version>/conversion_test.go`.
 
-## Edit deep copy files
-
-At this point you have both the versioned API changes and the internal
-structure changes done.  You now need to generate code to handle deep copy
-of your versioned api objects.
-
-The deep copy code resides with each versioned API:
-   - `pkg/api/<version>/deep_copy_generated.go` containing auto-generated copy functions
-   - `pkg/apis/extensions/<version>/deep_copy_generated.go` containing auto-generated copy functions
-
-To regenerate them:
-   - run
-
-```sh
-hack/update-generated-deep-copies.sh
-```
-
 ## Edit json (un)marshaling code
 
 We are auto-generating code for marshaling and unmarshaling json representation