diff --git a/100.md b/100.md
index 6d2f3ef..c72eda4 100644
--- a/100.md
+++ b/100.md
@@ -6,18 +6,18 @@ Querying Events by Tags Presence
 
 `draft` `optional` `author:fernandolguevara` `requires:nip-12`
 
-This NIP allows clients to query events from relays based on the presence or non-presence of specific tags.
+This NIP allows clients to query events from relays based on the presence or absence of specific tags.
 
 ### Presense:
 The filter condition matches if there is at least one tag name in common with the filter and event.
 
-### Non-Presence:
+### Absence:
 The filter condition matches if there is at least one tag in the filter that are not present in the event.
 
 Example Subscription Filter
 ---------------------------
 
-Below are some example filters that demonstrate tag presence and non-presence:
+Below are some example filters that demonstrate tag presence and absence:
 
 1. Filter to match events with a `g` tag: