diff --git a/55.md b/55.md
index e22ccc7d..162048d9 100644
--- a/55.md
+++ b/55.md
@@ -78,9 +78,9 @@ All tags can happen more than once.
 
 ## Skill Endorsements
 
-NIP-32 labels SHOULD be used to endorse the resume's skills. The `a` tag MUST be added to link to the resume. 
+[NIP-32](32.md) labels SHOULD be used to endorse the resume's skills. The `a` tag MUST be added to link to the resume. 
 
-```json
+```jsonc
 {
   "kind": 1985,
   "tags": [
@@ -100,6 +100,8 @@ Kind `518` MUST be used to write a recommendation into a resume.  The `a` tag MU
 {
   "kind": 518,
   "tags": [
+    ["relationship", "<peer, over-me, under-me>"],
+    ["vouching_period", "<start unix timestamp>", "<end unix timestamp>"], // this person is known to me since, or closed to me between these dates. 
     ["a", "11000:<pubkey>:"]
   ],
   "content": "<recommendation text>"