diff --git a/docs/manual/CoreTasks/loadresource.html b/docs/manual/CoreTasks/loadresource.html
index d6c5d75e8..37c8b7551 100644
--- a/docs/manual/CoreTasks/loadresource.html
+++ b/docs/manual/CoreTasks/loadresource.html
@@ -37,6 +37,9 @@ element resource collections. If the resource content is empty (maybe after
 processing a filterchain) the property is not set.
 </p>
 
+<p>Since properties are immutable, the task will not change the value
+  of an existing property.</p>
+
 <h3>Parameters</h3>
 <table border="1" cellpadding="2" cellspacing="0">
   <tr>