Timeline title: name and docs cover the day view (#501)

app/src/main/java/de/jeanlucmakiola/calendula/ui/common/CalendarTitle.kt

@@ -8,8 +8,9 @@ import java.util.Locale
  * out in [locale]'s own order, with the year shown only when [date] falls outside
  * [currentYear].
  *
- * Pass [skeleton] *without* a year field, e.g. "LLLL" for a month. A skeleton is a field list, so wanting the year is just asking for one
- * more field; the locale still decides where it lands ("July 2026" vs "2026年7月").
+ * Pass [skeleton] *without* a year field, e.g. "LLLL" for a month. A skeleton
+ * is a field list, so wanting the year is just asking for one more field; the
+ * locale still decides where it lands ("July 2026" vs "2026年7月").
  *
  * Dropping the year in the current year is the one bit of policy here: the title
  * sits directly above a grid that already says which year it is, and the year's

app/src/main/java/de/jeanlucmakiola/calendula/ui/week/WeekScreen.kt

@@ -484,10 +484,10 @@ private fun PagedTimelineScreen(
     val jumpToToday = { jumpToDate(today) }
 
     val locale = currentLocale()
-    // Every timeline names the month, the day view too: its header already shows weekday and date (#501).
+    // The day view names the month too: its header already shows weekday and date (#501).
     val (title, shortTitle) = remember(weekStart, weekEnd, locale, today.year) {
-        formatWeekTitle(weekStart, weekEnd, locale, today.year, abbreviated = false) to
-            formatWeekTitle(weekStart, weekEnd, locale, today.year, abbreviated = true)
+        formatTimelineTitle(weekStart, weekEnd, locale, today.year, abbreviated = false) to
+            formatTimelineTitle(weekStart, weekEnd, locale, today.year, abbreviated = true)
     }
     PublishChrome(
         ScreenChrome(
@@ -2009,7 +2009,7 @@ private fun minToHm(min: Int, is24Hour: Boolean, locale: java.util.Locale): Stri
     formatMinuteOfDay(min, is24Hour, locale)
 
 /**
- * The week's title: just the month [weekStart] falls in.
+ * Every timeline's title, the day view's included: just the month [weekStart] falls in.
  *
  * The day numbers are already in the column headers directly below, so spelling
  * out "13.–19. Jul" restates them in the widest string in the bar. Naming the
@@ -2024,7 +2024,7 @@ private fun minToHm(min: Int, is24Hour: Boolean, locale: java.util.Locale): Stri
  * "December" with no year would be actively misleading while the reader is
  * looking straight at January dates.
  */
-private fun formatWeekTitle(
+private fun formatTimelineTitle(
     weekStart: LocalDate,
     weekEnd: LocalDate,
     locale: Locale,