Update 22.md

Co-authored-by: dluvian <133484344+dluvian@users.noreply.github.com>

22.md

@@ -22,7 +22,7 @@ A comment is an event of `kind:1111` with plaintext `.content`
 It must have a `k` tag pointing to the kind of the subject being commented on.
 For example, when commenting on a `kind:30023`, the `k` tag is set to "30023".
 When replying to another `kind:1111`, the `k` tag is set to "1111".
-If commenting on an `https://abc.com/articles/1` artcile the `k` tag is set to "https://abc.com" (its domain).
+If commenting on an `https://abc.com/articles/1` article the `k` tag is set to "https://abc.com" (its domain).
 The `k` tag is useful to fetch top-level comments about events of specific kinds (or domains), for example,
 by filtering with `{ "#k": ["30023"], "kinds": [1111] }`.