From 9dbf53ece13af179f15b8cbb6ee9051be691c5f2 Mon Sep 17 00:00:00 2001
From: Andreas Junghanns <andreas.junghanns@gmx.net>
Date: Tue, 15 Mar 2022 12:04:44 +0100
Subject: [PATCH] Discrete changes (#1718)

* Clarify changes of discrete variables

* Remove double verb
---
 docs/2_4_common_schema.adoc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/2_4_common_schema.adoc b/docs/2_4_common_schema.adoc
index d7fc99c48..6cb3f43e3 100644
--- a/docs/2_4_common_schema.adoc
+++ b/docs/2_4_common_schema.adoc
@@ -992,7 +992,8 @@ A <<parameter>> with <<variability>> = <<tunable>> may be changed only in <<Even
 `= discrete`:
 
  * Model Exchange: The value of the variable may change only in <<EventMode>>.
- * Co-Simulation: The value may change at communication points and in <<EventMode>>, if supported.
+ * Co-Simulation: If <<EventMode>> is used (see <<eventModeUsed>>), the value of the variable may only change in <<EventMode>>.
+If <<EventMode>> is not used, the value may change at communication points and the FMU must detect and handle such events internally.
 During <<IntermediateUpdateMode>>, <<discrete>> variables are not allowed to change.
  * Scheduled Execution: The value may change only at communication points.