diff --git a/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/about.html b/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/about.html
index 991a1c14b19a..04d3784bfcdb 100644
--- a/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/about.html
+++ b/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/about.html
@@ -106,7 +106,7 @@ <h3 id="preservation-policy">Preservation Policy</h3>
 		</p>
 		<p>
 			In order to stay a reliable and trustworthy repository, we undergo periodical assessments by CLARIN ERIC and
-			<a href="https://www.coretrustseal.org/wp-content/uploads/2019/08/LINDAT-CLARIN.pdf">CTS</a> (formerly DSA).
+			<a href="https://hdl.handle.net/11234/6-CTS">CTS</a> (formerly DSA).
 		</p>
 		<p>
 			To fulfill the commitments, the repository ensures that datasets are ingested and distributed in
diff --git a/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/cs/about.html b/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/cs/about.html
index 13a7d688e7b0..ae98db94fe8a 100644
--- a/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/cs/about.html
+++ b/dspace-xmlui/src/main/webapp/themes/UFAL/lib/html/cs/about.html
@@ -103,7 +103,7 @@ <h3 id="preservation-policy">Pravidla pro uchovávání dat</h3>
 		</p>
         <p>
 		Abychom zůstali spolehlivým a důvěryhodným úložištěm, podstupujeme pravidelná hodnocení ze strany CLARIN ERIC a
-		<a href="https://www.coretrustseal.org/wp-content/uploads/2019/08/LINDAT-CLARIN.pdf">CTS</a> (dříve DSA).
+		<a href="https://hdl.handle.net/11234/6-CTS">CTS</a> (dříve DSA).
 		</p>
 		<p>
 			Abychom mohli plnit naše závazky, repozitář zajišťuje, že přijatá data mají licenci a pod touto licencí