diff --git a/index.md b/index.md
index f682f9fd79f38ffaf32b30b5a1ffa460bdb2c2a4..0f10e0a46cdf168bd0eb42a4d8fbff4d81ac6297 100644
--- a/index.md
+++ b/index.md
@@ -15,8 +15,8 @@ Data Management Services is a portfolio of services allowing to facilitate the w
 
     Do you need common **Data Storage Services**?
 
-    [:octicons-arrow-right-24: Object Data Storage](/data_storage/object_storage)   
-    [:octicons-arrow-right-24: Filesystem Data Storage](/data_storage/filesystem_storage)   
+    [:octicons-arrow-right-24: Object Data Storage](https://du.cesnet.cz/en/navody/object_storage/start)   
+    [:octicons-arrow-right-24: Filesystem Data Storage](https://du.cesnet.cz/en/navody/sluzby/start)   
 <!---    
 [:octicons-arrow-right-24: Account properties and lifecycle](/account/properties)   
 --->
@@ -25,10 +25,10 @@ Data Management Services is a portfolio of services allowing to facilitate the w
 
     ---
 
-    Do you need to cooperate with your colleagues, edit documents, share data?
+    Do you need to cooperate with your colleagues, edit documents and share data?
 
-    [:octicons-arrow-right-24: Owncloud](/collaboration/owncloud/)   
-    [:octicons-arrow-right-24: Onlyoffice](/collaboration/onlyoffice)   
+    [:octicons-arrow-right-24: Owncloud](https://du.cesnet.cz/en/navody/owncloud/start)   
+    [:octicons-arrow-right-24: Onlyoffice](https://du.cesnet.cz/en/navody/onlyoffice/start)   
 
 <!---    
 [:octicons-arrow-right-24: Account properties and lifecycle](/account/properties)   
@@ -40,7 +40,7 @@ Data Management Services is a portfolio of services allowing to facilitate the w
 
     Do you need to archive your data in the binary reliable data storage?
 
-    [:octicons-arrow-right-24: Longtail Preservation](/ltp/overview/)   
+    [:octicons-arrow-right-24: Longtail Preservation - CZ only](https://du.cesnet.cz/cs/navody/ltp/start)   
 
 <!---    
 [:octicons-arrow-right-24: Account properties and lifecycle](/account/properties)   
@@ -53,7 +53,7 @@ Data Management Services is a portfolio of services allowing to facilitate the w
 
     Do you want to make your data FAIR?
 
-    [:octicons-arrow-right-24: Data Repositories](/repository/overview/)   
+    [:octicons-arrow-right-24: Data Repositories - CZ only](https://du.cesnet.cz/cs/navody/narodni_repozitar/start)   
 
 
 </div>