Fix typo

index.md

@@ -9,7 +9,7 @@ Data Management Services is a portfolio of services allowing to facilitate the w
 
 <div class="grid cards" markdown>
 
--   :fontawesome-solid-solid-server:{ .lg .middle } __Data Storage Services__
+-   :fontawesome-solid-server:{ .lg .middle } __Data Storage Services__
 
     ---
 
@@ -34,7 +34,7 @@ Data Management Services is a portfolio of services allowing to facilitate the w
 [:octicons-arrow-right-24: Account properties and lifecycle](/account/properties)   
 --->
 
--   :fontawesome-solid-shield-halved:{ .lg .middle } __Long Tail Data Preservation__
+-   :fontawesome-solid-server:{ .lg .middle } __Long Tail Data Preservation__
 
     ---
 
@@ -47,7 +47,7 @@ Data Management Services is a portfolio of services allowing to facilitate the w
 --->
 
 
--   :fontawesome-solid-shield-halved:{ .lg .middle } __Data Repositories__
+-   :fontawesome-solid-server:{ .lg .middle } __Data Repositories__
 
     ---