/**
* Gives the patchwise extrapolation of a @p dof1 function @p z1 to a @p
- * dof2 function @p z2. @p dof1 and @p dof2 need to be DoFHandler based on
+ * dof2 function @p z2. @p dof1 and @p dof2 need to be DoFHandler objects based on
* the same triangulation.
*
- * This function is interesting for e.g. extrapolating patchwise a piecewise
+ * This function is used, for example, for extrapolating patchwise a piecewise
* linear solution to a piecewise quadratic solution.
*
* Note that the resulting field does not satisfy continuity requirements of
/**
* Gives the patchwise extrapolation of a @p dof1 function @p z1 to a @p
- * dof2 function @p z2. @p dof1 and @p dof2 need to be DoFHandler based on
+ * dof2 function @p z2. @p dof1 and @p dof2 need to be DoFHandler objects based on
* the same triangulation. @p constraints is a hanging node constraints
- * object corresponding to @p dof2. This object is particular important when
+ * object corresponding to @p dof2. This object is necessary when
* interpolating onto continuous elements on grids with hanging nodes
* (locally refined grids).
*