diff --git a/.github/workflows/build-example-corne-ish_zen-custom.yml b/.github/workflows/build-example-corne-ish_zen-custom.yml
new file mode 100644
index 0000000..9d47d52
--- /dev/null
+++ b/.github/workflows/build-example-corne-ish_zen-custom.yml
@@ -0,0 +1,14 @@
+# Copyright 2022 Manna Harbour
+# https://github.com/manna-harbour/miryoku
+
+name: 'Build Example corne-ish_zen custom'
+on: workflow_dispatch
+jobs:
+  build:
+    uses: ./.github/workflows/main.yml
+    secrets: inherit
+    with:
+      board: '["corne-ish_zen_left","corne-ish_zen_right"]'
+      custom_config: '["#define MIRYOKU_KLUDGE_MOUSEKEYSPR"]'
+      kconfig: '["CONFIG_ZMK_MOUSE=y\nCONFIG_ZMK_DISPLAY_HIDE_MOMENTARY_LAYERS=y\nCONFIG_CUSTOM_WIDGET_LOGO_IMAGE_MIRYOKU=y\nCONFIG_IL0323_INVERT=y"]'
+      branches: '["manna-harbour/zmk/zen zmkfirmware/zmk/main ftc/zmk/mouse-ftc"]'
diff --git a/readme.org b/readme.org
index 950f0e6..ada69f7 100644
--- a/readme.org
+++ b/readme.org
@@ -184,6 +184,31 @@ See [[.github/workflows/outboards]] for details of supported out-of-tree keyboar
 See https://github.com/manna-harbour/miryoku/discussions/81 for available and supported in-tree and out-of-tree keyboards and current maintenance status.
 
 
+*** Notes
+
+Notes are provided below for individual keyboards where required.
+
+
+**** corne-ish_zen
+
+The default ZMK fork for ~corne-ish_zen~ is https://github.com/LOWPROKB/zmk/tree/Board-Corne-ish-Zen-dedicated-work-queue.
+
+A custom branch is available at https://github.com/manna-harbour/zmk/tree/zen. The branch is based on https://github.com/caksoylar/zmk/tree/caksoylar/zen-on-main which adds compatibility with ZMK ~main~.
+
+Extra features have also been added which can be selected with the following [[#kconfig-configuration][Kconfig configuration]] options.
+
+- ~CONFIG_ZMK_DISPLAY_HIDE_MOMENTARY_LAYERS=y~ Suppress layer widget updates for momentary layer changes.
+- ~CONFIG_CUSTOM_WIDGET_LOGO_IMAGE_ZEN=y~ Corne-ish Zen logo (default).
+- ~CONFIG_CUSTOM_WIDGET_LOGO_IMAGE_ZMK=y~ ZMK logo.
+- ~CONFIG_CUSTOM_WIDGET_LOGO_IMAGE_LPKB=y~ LowproKB logo.
+- ~CONFIG_CUSTOM_WIDGET_LOGO_IMAGE_MIRYOKU=y~ Miryoku logo.
+- ~CONFIG_IL0323_INVERT=y~ Invert display.
+
+For [[#workflow-builds][workflow builds]] using the [[#build-inputs][Build Inputs]] workflow, use ~manna-harbour/zmk/zen~ with the ~branches~ option. For workflow builds using [[#build-examples][Build Example]] workflows, see the [[.github/workflows/build-example-corne-ish_zen-custom.yml][Build Example corne-ish_zen custom]] workflow.
+
+For local builds, make the changes locally.
+
+
 ** Config File
 
 The config file is used to specify [[https://github.com/manna-harbour/miryoku/tree/master/docs/reference#alternative-layouts][alternative layout]] and [[#mapping-macros][mapping]] options for [[#Local-Builds][local builds]].  Options are given in the documentation in the form ~MIRYOKU_OPTION=VALUE~.  Convert to the form ~#define MIRYOKU_OPTION_VALUE~ and add to the config file.