diff --git a/README.md b/README.md
index ecdbb6ed6..0ee86be7f 100644
--- a/README.md
+++ b/README.md
@@ -319,7 +319,9 @@ To create a custom build, you need:
 
 ### Configuring Custom Build
 
-Configuration of build plans are organized under `[buildPlans.<plan name>]` sections in the `private-build-plans.toml`. Inside the plan, top-level properties include:
+Configuration of build plans are organized under `[buildPlans.<plan name>]` sections in the `private-build-plans.toml`. You can use [the Customizer](https://be5invis.github.io/Iosevka/customizer) to create the build plan, and/or manulally edit them, following the instructions below.
+
+Inside the plan, top-level properties include:
 
 * `family`: String, defines the family name of your custom variant.
 * `spacing`: Optional, String, denotes the spacing of the custom variant. Valid values include: