constexpr unsigned DT_FLAG_DESTROYED = 0x0001; /**< user destroyed but some other layers still have a reference */
constexpr unsigned DT_FLAG_COMMITED = 0x0002; /**< ready to be used for a send/recv operation */
constexpr unsigned DT_FLAG_CONTIGUOUS = 0x0004; /**< contiguous datatype */
-constexpr unsigned DT_FLAG_OVERLAP = 0x0008; /**< datatype is unpropper for a recv operation */
+constexpr unsigned DT_FLAG_OVERLAP = 0x0008; /**< datatype is unproper for a recv operation */
constexpr unsigned DT_FLAG_USER_LB = 0x0010; /**< has a user defined LB */
constexpr unsigned DT_FLAG_USER_UB = 0x0020; /**< has a user defined UB */
constexpr unsigned DT_FLAG_PREDEFINED = 0x0040; /**< cannot be removed: initial and predefined datatypes */