chore: update documentation (#1599)

website/src/content/docs/guides/how-biome-works.mdx

@@ -166,11 +166,11 @@ The syntax and meaning of these two options loosely follow the [globset rules](h
   > the pattern, then it matches zero or more directories. Using `**` anywhere
   > else is illegal (N.B. the glob `**` is allowed and means "match everything").
 >
-> - `{a,b}` matches `a` or `b` where `a` and `b` are arbitrary glob patterns.
-> (N.B. Nesting `{...}` is not currently allowed.)
 > - `[ab]` matches `a` or `b` where `a` and `b` are characters. Use
 > `[!ab]` to match any character except for `a` and `b`.
 > - Metacharacters such as `*` and `?` can be escaped with character class
 > notation. e.g., `[*]` matches `*`.
 
+Check the [wikipedia page](https://en.wikipedia.org/wiki/Glob_(programming)) for more information.
+