[docs] Update field.pad() docstring
@@ -270,7 +270,9 @@ def center_of_mass(density: SampledField):
def pad(grid: GridType, widths: int or tuple or list or dict) -> GridType:
"""
- Pads a `Grid` using its current extrapolation.
+ Pads a `Grid` using its extrapolation.
+
+ Unlike `phi.math.pad()`, this function also affects the `bounds` of the grid, changing its size and origin depending on `widths`.
Args:
grid: `CenteredGrid` or `StaggeredGrid`
