Update compiler/src/dotty/tools/dotc/cc/CheckCaptures.scala

Co-authored-by: Oliver Bračevac <[email protected]>

Author: odersky

compiler/src/dotty/tools/dotc/cc/CheckCaptures.scala

@@ -1239,7 +1239,7 @@ class CheckCaptures extends Recheck, SymTransformer:
      *      This ensures that if files compile separately, they will also compile
      *      in a joint compilation.
      *   2. If a val has an inferred type with a terminal capability in its span capset,
-     *      check that it this capability is subsumed by the capset that was inferred
+     *      check that this capability is subsumed by the capset that was inferred
      *      for the class from its other fields via `captureSetImpliedByFields`.
      *      That capset is defined to take into account all fields but is computed
      *      only from fields with explicitly given types in order to avoid cycles.