minor fixes for docs

Author: AndreyAPopov

toolbox/+otp/+circularrestricted3body/+presets/CircularEarthOrbit.m

@@ -1,6 +1,6 @@
 classdef CircularEarthOrbit < otp.circularrestricted3body.CR3BPProblem
  % This preset builds a circular earth orbit in CR3BP based on
- % the equations derived in :cite:p:She20.
+ % the equations derived in :cite:p:`She20`.
 
  methods
  function obj = CircularEarthOrbit(varargin)

toolbox/+otp/+circularrestricted3body/+presets/HaloOrbit.m

@@ -1,11 +1,12 @@
 classdef HaloOrbit < otp.circularrestricted3body.CR3BPProblem
- % This preset builds a halo orbit preset for the CR3BP based on
- % a table of reference initial conditions and periods. There are four
- % possible different orbits given by this preset, $L_2$, $P2HO_1$,
- % $P2HO_2$, $P4HO_1$, and $P4HO_2$. The tables contain $20$ entries, and
- % thus there are $100$ different possible orbits given by this preset.
- % The tables of $L_2$ halo orbits are given as Table A.1--A.5 on pages
- % 218--222 of :cite:p:`Spr21`.
+ % This preset builds a halo orbit around the Moon in the Earth-Moon 
+ % system preset for the CR3BP based on a table of reference initial 
+ % conditions and periods. There are four possible different orbits 
+ % given by this preset, $L_2$, $P2HO_1$, $P2HO_2$, $P4HO_1$, and 
+ % $P4HO_2$. The tables contain $20$ entries, and thus there are $100$ 
+ % different possible orbits given by this preset. The tables of $L_2$
+ % halo orbits are given as Table A.1--A.5 on pages 218--222 of 
+ % :cite:p:`Spr21`.
 
  methods
  function obj = HaloOrbit(varargin)