From a2ef11bb006cfa0f185866f3f8d211131ca00af1 Mon Sep 17 00:00:00 2001
From: Albert Y <76888457+filterpaper@users.noreply.github.com>
Date: Tue, 1 Feb 2022 10:05:09 +0800
Subject: [Docs] Add reference to data sync options for RGB (#16144)

---
 docs/feature_rgblight.md | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'docs/feature_rgblight.md')

diff --git a/docs/feature_rgblight.md b/docs/feature_rgblight.md
index e293b580d0..7fafaff47e 100644
--- a/docs/feature_rgblight.md
+++ b/docs/feature_rgblight.md
@@ -323,6 +323,8 @@ void post_process_record_user(uint16_t keycode, keyrecord_t *record) {
 ```
 would turn the layer 0 (or 1) on and off again three times when `DEBUG` is pressed.
 
+!> Lighting layers on split keyboards will require layer state synced to the slave half (e.g. `#define SPLIT_LAYER_STATE_ENABLE`). See [data sync options](feature_split_keyboard.md#data-sync-options) for more details.
+
 ### Overriding RGB Lighting on/off status
 
 Normally lighting layers are not shown when RGB Lighting is disabled (e.g. with `RGB_TOG` keycode). If you would like lighting layers to work even when the RGB Lighting is otherwise off, add `#define RGBLIGHT_LAYERS_OVERRIDE_RGB_OFF` to your `config.h`.
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