diff --git a/52.md b/52.md
index 9be0480c..12704ea0 100644
--- a/52.md
+++ b/52.md
@@ -32,8 +32,7 @@ The list of tags are as follows:
 * `address` (optional) address of the calendar event following ISO 19160:2015 and splitting the elements in the array; the country is specified in ISO 3166
 * `place` (optional) name of the place of the calendar event. e.g. university, building, business, public space
 * `g` (optional) [geohash](https://en.wikipedia.org/wiki/Geohash) to associate calendar event with a searchable physical location
-* `languages` (optional) list
-  of [IETF language tags](https://en.wikipedia.org/wiki/IETF_language_tag) indicating the major languages used in the event
+* `l` (optional, repeated) [IETF language tag](https://en.wikipedia.org/wiki/IETF_language_tag) indicating the language used in the event
 * `p` (optional, repeated) 32-bytes hex pubkey of a participant, optional recommended relay URL, and participant's role in the meeting
 * `t` (optional, repeated) hashtag to categorize calendar event
 * `r` (optional, repeated) references / links to web pages, documents, video calls, recorded videos, etc.
@@ -68,7 +67,8 @@ The following tags are deprecated:
     ["p", "<32-bytes hex of a pubkey>", "<optional recommended relay URL>", "<role>"],
 
     // Languages
-    ["languages", "<lang>", "<lang>"]
+    ["l", "<lang>"]
+    ["l", "<lang>"]
 
     // Hashtags
     ["t", "<tag>"],
@@ -103,8 +103,7 @@ The list of tags are as follows:
 * `place` (recommended if `type` is _onsite_) name of the place of the calendar event. e.g. university, building, business, public space
 * `g` (optional) [geohash](https://en.wikipedia.org/wiki/Geohash) to associate calendar event with a searchable physical location
 * `url` (recommended if `type` is _online_) the url where the user can access the calendar event; it can be a nostr:naddr1xxx (preferably a NIP-53 event) or an http(s)://xxx endpoint
-* `languages` (optional) list
-  of [IETF language tags](https://en.wikipedia.org/wiki/IETF_language_tag) indicating the major languages used in the event
+* `l` (optional, repeated) [IETF language tag](https://en.wikipedia.org/wiki/IETF_language_tag) indicating the language used in the event
 * `p` (optional, repeated) 32-bytes hex pubkey of a participant, optional recommended relay URL, and participant's role in the meeting
 * `t` (optional, repeated) hashtag to categorize calendar event
 * `r` (optional, repeated) references / links to web pages, documents, video calls, recorded videos, etc.
@@ -140,7 +139,8 @@ The following tags are deprecated:
     ["url", "<nostr:naddr1xxx or a http(s)://xxx>"],
 
     // Languages
-    ["languages", "<lang>", "<lang>"]
+    ["l", "<lang>"]
+    ["l", "<lang>"]
 
     // Participants
     ["p", "<32-bytes hex of a pubkey>", "<optional recommended relay URL>", "<role>"],