Update comment

Author: aelovikov-intel

sycl/include/sycl/detail/type_traits/vec_marray_traits.hpp

@@ -16,7 +16,7 @@
 #ifndef __SYCL_USE_LIBSYCL8_VEC_IMPL
 #if defined(__INTEL_PREVIEW_BREAKING_CHANGES)
 // Several specification changes need to be implemented together to keep CTS
-// passing. We'll switch to `1` once they all land.
+// passing. We'll switch to `0` once they all land.
 // `__SYCL_USE_PLAIN_ARRAY_AS_VEC_STORAGE` needs to be changed to use this
 // `__SYCL_USE_LIBSYCL8_VEC_IMPL` at that time as well.
 #define __SYCL_USE_LIBSYCL8_VEC_IMPL 1