diff --git a/custom/conf/app.ini.sample b/custom/conf/app.ini.sample
index aad6e9c76..8392576da 100644
--- a/custom/conf/app.ini.sample
+++ b/custom/conf/app.ini.sample
@@ -571,19 +571,11 @@ MAX_RESPONSE_ITEMS = 50
 LANGS = en-US,zh-CN,zh-HK,zh-TW,de-DE,fr-FR,nl-NL,lv-LV,ru-RU,uk-UA,ja-JP,es-ES,pt-BR,pl-PL,bg-BG,it-IT,fi-FI,tr-TR,cs-CZ,sr-SP,sv-SE,ko-KR
 NAMES = English,简体中文,繁體中文（香港）,繁體中文（台灣）,Deutsch,français,Nederlands,latviešu,русский,Українська,日本語,español,português do Brasil,polski,български,italiano,suomi,Türkçe,čeština,српски,svenska,한국어
 
-[U2F]
-; Two Factor authentication with security keys
-; https://developers.yubico.com/U2F/App_ID.html
-APP_ID = %(PROTOCOL)s://%(DOMAIN)s:%(HTTP_PORT)s
-; Comma seperated list of truisted facets
-TRUSTED_FACETS = %(PROTOCOL)s://%(DOMAIN)s:%(HTTP_PORT)s
-
-
 ; Used for datetimepicker
 [i18n.datelang]
 en-US = en
 zh-CN = zh
-zh-HK = zh-TW
+zh-HK = zh-HK
 zh-TW = zh-TW
 de-DE = de
 fr-FR = fr
@@ -604,6 +596,13 @@ sr-SP = sr
 sv-SE = sv
 ko-KR = ko
 
+[U2F]
+; Two Factor authentication with security keys
+; https://developers.yubico.com/U2F/App_ID.html
+APP_ID = %(PROTOCOL)s://%(DOMAIN)s:%(HTTP_PORT)s
+; Comma seperated list of truisted facets
+TRUSTED_FACETS = %(PROTOCOL)s://%(DOMAIN)s:%(HTTP_PORT)s
+
 ; Extension mapping to highlight class
 ; e.g. .toml=ini
 [highlight.mapping]
diff --git a/docs/content/doc/advanced/config-cheat-sheet.en-us.md b/docs/content/doc/advanced/config-cheat-sheet.en-us.md
index 0d2af6237..b697e5c23 100644
--- a/docs/content/doc/advanced/config-cheat-sheet.en-us.md
+++ b/docs/content/doc/advanced/config-cheat-sheet.en-us.md
@@ -278,6 +278,36 @@ Values containing `#` or `;` must be quoted using `` ` `` or `"""`.
 - `MAX_GIT_DIFF_FILES`: **100**: Max number of files shown in diff view.
 - `GC_ARGS`: **\<empty\>**: Arguments for command `git gc`, e.g. `--aggressive --auto`.
 
+## i18n (`i18n`)
+
+- `LANGS`: **en-US,zh-CN,zh-HK,zh-TW,de-DE,fr-FR,nl-NL,lv-LV,ru-RU,ja-JP,es-ES,pt-BR,pl-PL,bg-BG,it-IT,fi-FI,tr-TR,cs-CZ,sr-SP,sv-SE,ko-KR**: List of locales shown in language selector
+- `NAMES`: **English,简体中文,繁體中文（香港）,繁體中文（台灣）,Deutsch,français,Nederlands,latviešu,русский,日本語,español,português do Brasil,polski,български,italiano,suomi,Türkçe,čeština,српски,svenska,한국어**: Visible names corresponding to the locales
+
+### i18n - Datepicker Language (`i18n.datelang`)
+Maps locales to the languages used by the datepicker plugin
+
+- `en-US`: **en**
+- `zh-CN`: **zh**
+- `zh-HK`: **zh-HK**
+- `zh-TW`: **zh-TW**
+- `de-DE`: **de**
+- `fr-FR`: **fr**
+- `nl-NL`: **nl**
+- `lv-LV`: **lv**
+- `ru-RU`: **ru**
+- `ja-JP`: **ja**
+- `es-ES`: **es**
+- `pt-BR`: **pt-BR**
+- `pl-PL`: **pl**
+- `bg-BG`: **bg**
+- `it-IT`: **it**
+- `fi-FI`: **fi**
+- `tr-TR`: **tr**
+- `cs-CZ`: **cs-CZ**
+- `sr-SP`: **sr**
+- `sv-SE`: **sv**
+- `ko-KR`: **ko**
+
 ## U2F (`U2F`)
 - `APP_ID`: **`ROOT_URL`**: Declares the facet of the application. Requires HTTPS.
 - `TRUSTED_FACETS`: List of additional facets which are trusted. This is not support by all browsers.