1 files changed, 6 insertions, 2 deletions

diff --git a/50.md b/50.md
index 5bda355..a6e02be 100644
--- a/50.md
+++ b/50.md
@@ -4,7 +4,7 @@ NIP-50
 Search Capability
 -----------------
 
-`draft` `optional` `author:brugeman` `author:mikedilger` `author:fiatjaf`
+`draft` `optional`
 
 ## Abstract
 
@@ -41,9 +41,13 @@ implementation details between relays.
 Clients MAY verify that events returned by a relay match the specified query in a way that suits the
 client's use case, and MAY stop querying relays that have low precision.
 
-Relays SHOULD exclude spam from search results by default if they supports some form of spam filtering.
+Relays SHOULD exclude spam from search results by default if they support some form of spam filtering.
 
 ## Extensions
 
 Relay MAY support these extensions:
 - `include:spam` - turn off spam filtering, if it was enabled by default
+- `domain:<domain>` - include only events from users whose valid nip05 domain matches the domain
+- `language:<two letter ISO 639-1 language code>` - include only events of a specified language
+- `sentiment:<negative/neutral/positive>` - include only events of a specific sentiment
+- `nsfw:<true/false>` - include or exclude nsfw events (default: true)