Clarify fold docstring
@@ -387,9 +387,10 @@ class LightCurve(object):
Parameters
----------
period : float
- The period upon which to fold.
+ The period upon which to fold, in the same units as this
+ LightCurve's ``time`` attribute.
t0 : float, optional
- Time corresponding to zero phase. In the same units as the
+ Time corresponding to zero phase, in the same units as this
LightCurve's ``time`` attribute. Defaults to 0 if not set.
transit_midpoint : float, optional
Deprecated. Use `t0` instead.
