From 968ee8d6826a76725a8f11350f3aa6701233f383 Mon Sep 17 00:00:00 2001
From: Winnie Hellmann <winnie@gitlab.com>
Date: Mon, 11 Dec 2017 21:24:05 +0100
Subject: [PATCH] Clarify casing of I18N placeholder names

---
 doc/development/i18n/externalization.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/development/i18n/externalization.md b/doc/development/i18n/externalization.md
index 4b65a0f4a35..43b996d9395 100644
--- a/doc/development/i18n/externalization.md
+++ b/doc/development/i18n/externalization.md
@@ -215,6 +215,9 @@ There is also and alternative method to [translate messages from validation erro
     sprintf(__('Hello %{username}'), { username: 'Joe' }) => 'Hello Joe'
     ```
 
+The placeholders should match the code style of the respective source file.
+For example use `%{created_at}` in Ruby but `%{createdAt}` in JavaScript.
+
 ### Plurals
 
 - In Ruby/HAML: