correct typo
diff --git a/examples/org.eclipse.graphiti.doc/resources/docu/gfw/Non-EMF domain objects.htm b/examples/org.eclipse.graphiti.doc/resources/docu/gfw/Non-EMF domain objects.htm
index 73cc38c..0bd6d8f 100644
--- a/examples/org.eclipse.graphiti.doc/resources/docu/gfw/Non-EMF domain objects.htm
+++ b/examples/org.eclipse.graphiti.doc/resources/docu/gfw/Non-EMF domain objects.htm
@@ -196,7 +196,7 @@
<h2><span>Support for Undo and Redo</span></h2>
<p class=MsoNormal>For standard EMF domain models users do not need
-to care about implementing undo/redo functionality within theier
+to care about implementing undo/redo functionality within their
features. This is all cared about by the framework by using EMF <i>TransactionalCommandStacks</i>
and <i>RecordingCommands</i> for executing features. But in case users
have domain models implemented in another technology than EMF, they need