*
* When the DataLength parameter is NULL, this callback should only indicate whether the specified operation is valid for
* the given endpoint index, and should return as fast as possible. When non-NULL, this value may be altered for GET operations
- * to indicate the size of the retreived data.
+ * to indicate the size of the retrieved data.
*
* \note The length of the retrieved data stored into the Data buffer on GET operations should not exceed the initial value
* of the \c DataLength parameter.
*
* When the DataLength parameter is NULL, this callback should only indicate whether the specified operation is valid for
* the given entity and should return as fast as possible. When non-NULL, this value may be altered for GET operations
- * to indicate the size of the retreived data.
+ * to indicate the size of the retrieved data.
*
* \note The length of the retrieved data stored into the Data buffer on GET operations should not exceed the initial value
* of the \c DataLength parameter.