From 26e0c6ef75d4a9a218462a5153c604e37b59f3c7 Mon Sep 17 00:00:00 2001
From: Derick Rethans <github@derickrethans.nl>
Date: Thu, 2 Jun 2022 17:03:30 +0100
Subject: [PATCH] Fixed bug #78000: Missing description of reltext's different
 behaviors (static & method on object)

---
 reference/datetime/formats.xml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/reference/datetime/formats.xml b/reference/datetime/formats.xml
index fa77811b26..d3aa74bfb5 100644
--- a/reference/datetime/formats.xml
+++ b/reference/datetime/formats.xml
@@ -919,6 +919,14 @@ class DateTime#1 (3) {
     produces "2008-07-24 00:00". The reason for this is that those
     five statements directly influence the current time.
    </para>
+   <para>
+    Keywords such as "first day of" depend on the context in which the
+    relative format string is used. If used with a static method or function,
+    the referent is the current system timestamp. However, if used in
+    <function>DateTime::modify</function> or
+    <function>DateTimeImmutable::modify</function>, the referent is the object
+    on which the modify() method is called.
+   </para>
   </note>
   
   <note>