diff --git a/docs/snippets/service-keyword-gemet.xml b/docs/snippets/service-keyword-gemet.xml
index 377821f..5099240 100644
--- a/docs/snippets/service-keyword-gemet.xml
+++ b/docs/snippets/service-keyword-gemet.xml
@@ -6,10 +6,10 @@
       <gmd:descriptiveKeywords>
         <gmd:MD_Keywords>
           <gmd:keyword>
-            <gco:CharacterString>water monitoring</gco:CharacterString>
+            <gmx:Anchor xlink:href="https://www.eionet.europa.eu/gemet/en/concept/9196">water monitoring</gmx:Anchor>
           </gmd:keyword>
           <gmd:keyword>
-            <gco:CharacterString>water quality</gco:CharacterString>
+            <gmx:Anchor xlink:href="https://www.eionet.europa.eu/gemet/en/concept/9214">water quality</gmx:Anchor>
           </gmd:keyword>
           <gmd:thesaurusName>
             <gmd:CI_Citation>
@@ -36,4 +36,4 @@
     </srv:SV_ServiceIdentification>
   </gmd:identificationInfo>
   ...
-</gmd:MD_Metadata>
\ No newline at end of file
+</gmd:MD_Metadata>