Minor fixes

Federation_Registry.puml

-@startuml nren_registry_flow
+@startuml
+hide footbox
 title NREN Registry flow
 entity "Leaf\nEntity" as leaf
 entity NREN as nren
@@ -10,7 +11,7 @@ note right
  Check if not
  in Subordinates
 end note
-nren --> leaf: Ask Leaf to 
+nren --> leaf: Ask Leaf to
 note left
  - Accept Policy
  - Comply with Technicalities and Security
@@ -18,7 +19,7 @@ end note
 leaf -> nren: Acceptance
 nren --> nren
 note right
-Manualy Check 
+Manualy Check
 Accecptance
 of Leaf entity
 end note
@@ -30,4 +31,4 @@ end note
 leaf -> nren: Go to enroll endpoint
 nren -> subs: Add leaf entity to subordinates
 
-@enduml
+@enduml
\ No newline at end of file

Federation_Registry_Classes.puml

-@startuml NREN
+@startuml
 title NREN Registry
 
 class Leaf {
--RP
--OP
--...
+    -RP
+    -OP
+    -...
 }
 
 class Nren {
--Public Policy
--List of Subordinates
--Resolve endpoint
--Enroll endpoint
--TM endpoint
--TM list
--TM status
+    -Public Policy
+    -List of Subordinates
+    -Resolve endpoint
+    -Enroll endpoint
+    -TM endpoint
+    -TM list
+    -TM status
 }
 
 class Subordinates {
- -Accepted Policy of NREN
- -Comply with technical and Security
- -Manualy checked by NREN and given a TM 
+    -Accepted Policy of NREN
+    -Comply with technical and Security
+    -Manualy checked by NREN and given a TM
 }
 
-@enduml
+@enduml
\ No newline at end of file