specs: Update according Benoit (@Cafai) email

ispformat/specs/0.1/isp-schema-spec.rst

@@ -5,10 +5,12 @@ ISP format
 Schema specification & implementation guidelines
 ------------------------------------------------
 
-:Editor:
+:Creator:
     Gu1 <https://cafai.fr/>
+:Editor:
+    FFDN Adminsys <adminsys@ffdn>
 :Authors:
-    FFDN diyisp schema working group adminsys@ffdn
+    FFDN diyisp schema working group
 :Revision:
     draft-1 (0.1)
 :Date: