From 714525729f90301a4645d13015ef7dc98fdbdb0b Mon Sep 17 00:00:00 2001
From: rudolfkoenig <>
Date: Sat, 5 Nov 2016 15:09:08 +0000
Subject: [PATCH] 33_readingsChange.pm: doc clarification

git-svn-id: https://svn.fhem.de/fhem/trunk@12508 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/33_readingsChange.pm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fhem/FHEM/33_readingsChange.pm b/fhem/FHEM/33_readingsChange.pm
index f5bea44e5..6130de6ec 100755
--- a/fhem/FHEM/33_readingsChange.pm
+++ b/fhem/FHEM/33_readingsChange.pm
@@ -108,7 +108,9 @@ readingsChangeExec($$)
                 &lt;toReplace&gt; &lt;replaceWith&gt;"</code>
     <br><br>
     Change the content of a reading if it changes, with the perl string
-    substitute mechanism.
+    substitute mechanism. Note: As some modules rely on the known format of
+    some readings, changing such readings may cause these modules to stop
+    working.
     <br><br>
 
     &lt;device&gt;, &lt;readingName&gt; and &lt;toReplace&gt; are regular