diff --git a/odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilter_cpp/FlatXmlFilter_cpp.xcu b/odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilter_cpp/FlatXmlFilter_cpp.xcu
index 0d59d19cb3b0..8244bbd3a810 100644
--- a/odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilter_cpp/FlatXmlFilter_cpp.xcu
+++ b/odk/examples/DevelopersGuide/OfficeDev/FilterDevelopment/FlatXmlFilter_cpp/FlatXmlFilter_cpp.xcu
@@ -11,6 +11,8 @@
                 <prop oor:name="FilterService"><value>com.sun.star.comp.Writer.XmlFilterAdaptor</value></prop>
                 <prop oor:name="TemplateName"/>
                 <prop oor:name="UIName">
+                    <!-- The x-no-translate entry is a marker to prevent l10n tooling from translation. It it is not necessary. -->
+                    <value xml:lang="x-no-translate"></value>
                     <value xml:lang="de">DevGuide FlatXML Calc</value>
                     <value xml:lang="en-US">DevGuide FlatXML Calc</value>
                 </prop>
@@ -25,6 +27,8 @@
                 <prop oor:name="FilterService"><value>com.sun.star.comp.Writer.XmlFilterAdaptor</value></prop>
                 <prop oor:name="TemplateName"/>
                 <prop oor:name="UIName">
+                    <!-- The x-no-translate entry is a marker to prevent l10n tooling from translation. It it is not necessary. -->
+                    <value xml:lang="x-no-translate"></value>
                     <value xml:lang="de">DevGuide FlatXML Draw</value>
                     <value xml:lang="en-US">DevGuide FlatXML Draw</value>
                 </prop>
@@ -39,6 +43,8 @@
                 <prop oor:name="FilterService"><value>com.sun.star.comp.Writer.XmlFilterAdaptor</value></prop>
                 <prop oor:name="TemplateName"/>
                 <prop oor:name="UIName">
+                    <!-- The x-no-translate entry is a marker to prevent l10n tooling from translation. It it is not necessary. -->
+                    <value xml:lang="x-no-translate"></value>
                     <value xml:lang="de">DevGuide FlatXML Impress</value>
                     <value xml:lang="en-US">DevGuide FlatXML Impress</value>
                 </prop>
@@ -53,6 +59,8 @@
                 <prop oor:name="FilterService"><value>com.sun.star.comp.Writer.XmlFilterAdaptor</value></prop>
                 <prop oor:name="TemplateName"/>
                 <prop oor:name="UIName">
+                    <!-- The x-no-translate entry is a marker to prevent l10n tooling from translation. It it is not necessary. -->
+                    <value xml:lang="x-no-translate"></value>
                     <value xml:lang="de">DevGuide FlatXML Writer</value>
                     <value xml:lang="en-US">DevGuide FlatXML Writer</value>
                 </prop>
@@ -67,6 +75,8 @@
                 <prop oor:name="FilterService"><value>com.sun.star.comp.Writer.XmlFilterAdaptor</value></prop>
                 <prop oor:name="TemplateName"/>
                 <prop oor:name="UIName">
+                    <!-- The x-no-translate entry is a marker to prevent l10n tooling from translation. It it is not necessary. -->
+                    <value xml:lang="x-no-translate"></value>
                     <value xml:lang="de">DevGuide FlatXML Matser</value>
                     <value xml:lang="en-US">DevGuide FlatXML Master</value>
                 </prop>