Fix a couple of comments

Author: dwijnand

compiler/src/dotty/tools/dotc/ast/Desugar.scala

@@ -1480,7 +1480,7 @@ object desugar {
     case _ => elems
   end checkWellFormedTupleElems
 
-  /** Translate tuple expressions of arity <= 22
+  /** Translate tuple expressions
    *
    *     ()             ==>   ()
    *     (t)            ==>   t

library/src/scala/NamedTuple.scala

@@ -25,8 +25,8 @@ object NamedTuple:
     /** The number of elements in this tuple */
     inline def size: Tuple.Size[V] = toTuple.size
 
-    // This intentionally works for empty named tuples as well. I think NnEmptyTuple is a dead end
-    // and should be reverted, justy like NonEmptyList is also appealing at first, but a bad idea
+    // This intentionally works for empty named tuples as well. I think NonEmptyTuple is a dead end
+    // and should be reverted, just like NonEmptyList is also appealing at first, but a bad idea
     // in the end.
 
     /** The value (without the name) at index `n` of this tuple */