[AST] typo in VarDecl::isKnownToBeLocal comment

Author: sophiapoirier

include/swift/AST/Decl.h

@@ -6086,7 +6086,7 @@ class VarDecl : public AbstractStorageDecl {
   bool isAsyncLet() const;
 
   /// Is this var known to be a "local" distributed actor,
-  /// if so the implicit throwing ans some isolation checks can be skipped.
+  /// if so the implicit throwing and some isolation checks can be skipped.
   bool isKnownToBeLocal() const;
 
   /// Is this a stored property that will _not_ trigger any user-defined code