From 475024a97b7f33feea372ca736b678d52549bc1d Mon Sep 17 00:00:00 2001
From: Greg Burri <greg.burri@gmail.com>
Date: Sat, 19 Apr 2025 12:17:07 +0200
Subject: [PATCH] Add doc

---
 backend/src/translation.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/backend/src/translation.rs b/backend/src/translation.rs
index 7d330e3..ce7c6ba 100644
--- a/backend/src/translation.rs
+++ b/backend/src/translation.rs
@@ -207,8 +207,11 @@ impl Tr {
         format!("{}-{}", self.lang.code, self.lang.territory)
     }
 
+    // Return the first day of the week for the current language.
+    // See https://en.wikipedia.org/wiki/Week#First_day_of_the_week.
     pub fn first_day_of_week(&self) -> Weekday {
         match (self.lang.code.as_ref(), self.lang.territory.as_ref()) {
+            // TODO: Add more languages: https://en.wikipedia.org/wiki/Week.
             ("en", "US") => Weekday::Sun,
             _ => Weekday::Mon,
         }