Merge pull request #15208 from ShapelessCat/fix-a-code-example-in-doc-pattern-matching

Fix a code example in the doc pattern-matching.md

Author: bishabosha

docs/_docs/reference/changed-features/pattern-matching.md

@@ -4,7 +4,7 @@ title: "Option-less pattern matching"
 movedTo: https://docs.scala-lang.org/scala3/reference/changed-features/pattern-matching.html
 ---
 
-The implementation of pattern matching in Scala 3 was greatly simplified compared to Scala 2. From a user perspective, this means that Scala 3 generated patterns are a *lot* easier to debug, as variables all show up in debug modes and positions are correctly preserved.
+The implementation of pattern matching in Scala 3 was greatly simplified compared to Scala 2. From a user perspective, this means that Scala 3 generated patterns are a _lot_ easier to debug, as variables all show up in debug modes and positions are correctly preserved.
 
 Scala 3 supports a superset of Scala 2 [extractors](https://www.scala-lang.org/files/archive/spec/2.13/08-pattern-matching.html#extractor-patterns).
 
@@ -180,7 +180,6 @@ object ProdEmpty:
   case _ => ()
 ```
 
-
 ## Sequence Match
 
 - `U <: X`, `T2` and `T3` conform to `T1`
@@ -221,18 +220,18 @@ object CharList:
   the type of the remaining patterns are determined as in Seq Pattern.
 
 ```Scala
-class Foo(val name: String, val children: Int *)
+class Foo(val name: String, val children: Int*)
 object Foo:
   def unapplySeq(f: Foo): Option[(String, Seq[Int])] =
     Some((f.name, f.children))
 
 def foo(f: Foo) = f match
-  case Foo(name, ns : _*) =>
-  case Foo(name, x, y, ns : _*) =>
+  case Foo(name, x, y, ns*) => ">= two children."
+  case Foo(name, ns*) =>    => "< two children."
 ```
 
-There are plans for further simplification, in particular to factor out *product
-match* and *name-based match* into a single type of extractor.
+There are plans for further simplification, in particular to factor out _product match_
+and _name-based match_ into a single type of extractor.
 
 ## Type testing