Fix Lorenz63 problem typos

Author: Steven-Roberts

toolbox/+otp/+lorenz63/+presets/Canonical.m

@@ -4,7 +4,7 @@
 
     methods
         function obj = Canonical(varargin)
-            % Create the Canonical Lorenz '63 problem object.
+            % Create the canonical Lorenz '63 problem object.
             %
             % Parameters
             % ----------

toolbox/+otp/+lorenz63/+presets/LimitCycle.m

@@ -4,7 +4,7 @@
 
     methods
         function obj = LimitCycle
-            % Create the LimitCycle Lorenz '63 problem object.
+            % Create the limit cycle Lorenz '63 problem object.
 
             % We use Lorenz's initial conditions and timespan as Strogatz
             % does not specify those in his book.

toolbox/+otp/+lorenz63/+presets/Surprise.m

@@ -1,12 +1,12 @@
 classdef Surprise < otp.lorenz63.Lorenz63Problem
-    % Lorenz '63 preset 'surprise' from :cite:p:`Str18` which uses time span $t ∈ [0, 60]$,  $σ = 10$, $ρ = 100$,
+    % Lorenz '63 preset 'surprise' from :cite:p:`Str18` which uses time span $t ∈ [0, 60]$, σ = 10$, $ρ = 100$,
     % $β = 8/3$, and intial conditions $y_0 = [2, 1, 1]^T$.
 
     methods
         function obj = Surprise
-            % Create the Surprise Lorenz '63 problem object.
+            % Create the surprise Lorenz '63 problem object.
 
-            % Hand-picked initial conditions with the canonical timespan
+            % Hand-picked initial conditions with the canonical time span
             y0    = [2; 1; 1];
             tspan = [0 60];
             params = otp.lorenz63.Lorenz63Parameters('Sigma', 10, 'Rho', 100, 'Beta', 8/3);

toolbox/+otp/+lorenz63/Lorenz63Problem.m

@@ -10,7 +10,7 @@
     % $$
     %
     % exhibits chaotic behavior for certain values of the parameters. Here $x$ roughly corresponds to the rate of
-    % convection of a fluid, $y$ corresponds to temperature variation in one direction, and $z$ is temerature variation
+    % convection of a fluid, $y$ corresponds to temperature variation in one direction, and $z$ is temperature variation
     % in the other direction. For a full problem description see :cite:p:`Str18`.
     %
     % Notes