* This function that can be used for worker and copier objects that
* are either pointers to non-member functions or objects that allow to be
* called with an operator(), for example objects created by std::bind. If
- * the copier is an empty function, it is ignore in the pipeline.
+ * the copier is an empty function, it is ignored in the pipeline.
*
* The argument passed as @p end must be convertible to the same type as @p
* begin, but doesn't have to be of the same type itself. This allows to
* and Bangerth (see @ref workstream_paper).
*
* This is the function that can be used for worker and copier functions
- * that are member functions of a class. If the copier is an empty function,
- * it is ignore in the pipeline.
+ * that are member functions of a class. If the copier is an empty function,
+ * it is ignored in the pipeline.
*
* The argument passed as @p end must be convertible to the same type as @p
* begin, but doesn't have to be of the same type itself. This allows to