fix catalog

Author: DeCohen

articles/defender-for-iot/organizations/appliance-catalog/index.yml

@@ -48,8 +48,6 @@ landingContent:
             url: heptagon-yb3x.md
           - text: HPE ProLiant DL20 Gen11 Plus (NHP 2LFF)
             url: hpe-proliant-dl20-gen-11-nhp-2lff.md
-          - text: Dell XE4 SFF
-            url: dell-xe4-sff.md
           - text: YS-techsystems YS-FIT2 (Rugged MIL-STD-810G)
             url: ys-techsystems-ys-fit2.md
           - text: Dell Edge Gateway 3200
@@ -79,7 +77,9 @@ landingContent:
           - text: Dell PowerEdge R350 
             url: dell-poweredge-r350-e1800.md
           - text: Dell PowerEdge R340 XL (E1800)
-            url: dell-poweredge-r340-xl-legacy.md            
+            url: dell-poweredge-r340-xl-legacy.md 
+          - text: Dell XE4 SFF
+            url: dell-xe4-sff.md           
           - text: HPE ProLiant DL20 Gen10 (NHP 2LFF) (L500 Rugged)
             url: hpe-proliant-dl20-smb-legacy.md                  
           - text: HPE Edgeline EL300 (L500 Rugged)