diff --git a/wiki/pages/model.html b/wiki/pages/model.html
index 174b9486f4dffde3f17d02c714591fcef1b70ff5..6daf672c18ff0d3bde3fb7c43f33e4955330aaa6 100644
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+++ b/wiki/pages/model.html
@@ -7,7 +7,9 @@
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@@ -323,85 +325,87 @@
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                 <div id="codeSnippet" class="code-snippet">
-```metlab
-% Define parameters
-Q_inhale = 100; % mg
-k_exhale = 10;
-k_perm = 0.005;
-k_adh = 0.001;
-k_diffMC = 0.01;
-k_diffLC = 0.05;
-k_dist = 0.001;
-k_excrete = 0.05;
-k_move = 0.02;
-
-% Define the time range
-tspan = [0 300]; % From 0 to 5 minutes
-initial_conditions = [0 0 0 0 0]; % The initial condition is 0 
-
-% solve ODE
-[t, y] = ode45(@(t,y) odefun(t, y, Q_inhale, k_exhale, k_perm, k_adh, k_diffMC, k_diffLC, k_dist, k_excrete, k_move), tspan, initial_conditions);
-
-% calculate V_inhale
-V_inhale = Q_inhale / 5 * (heaviside(t) - heaviside(t-5));
-
-figure('Position', [100, 100, 1200, 1000]);
-
-% V_inhale(t)
-subplot(3,2,1)
-plot(t, V_inhale)
-title('V_{inhale}(t)')
-xlabel('Time (s)')
-ylabel('V_{inhale}')
-
-% Q_A(t)
-subplot(3,2,2)
-plot(t, y(:,1))
-title('Q_A(t)')
-xlabel('Time (s)')
-ylabel('Q_A')
-
-% Q_L(t)
-subplot(3,2,3)
-plot(t, y(:,2))
-title('Q_L(t)')
-xlabel('Time (s)')
-ylabel('Q_L')
-
-% Q_M(t)
-subplot(3,2,4)
-plot(t, y(:,3))
-title('Q_M(t)')
-xlabel('Time (s)')
-ylabel('Q_M')
-
-% Q_C(t)
-subplot(3,2,5)
-plot(t, y(:,4))
-title('Q_C(t)')
-xlabel('Time (s)')
-ylabel('Q_C')
-
-% Q_I(t)
-subplot(3,2,6)
-plot(t, y(:,5))
-title('Q_I(t)')
-xlabel('Time (s)')
-ylabel('Q_I')
-
-sgtitle('Simulation Results')
-
-% ODE
-function dydt = odefun(t, y, Q_inhale, k_exhale, k_perm, k_adh, k_diffMC, k_diffLC, k_dist, k_excrete, k_move)
-    V_inhale = Q_inhale / 5 * (heaviside(t) - heaviside(t-5));
-    dydt = zeros(5,1);
-    dydt(1) = V_inhale - (k_exhale + k_perm) * y(1); % dQ_A/dt
-    dydt(2) = k_perm * y(1) - k_diffLC * y(2); % dQ_L/dt
-    dydt(3) = 0.0005 * k_adh * V_inhale - k_diffMC * y(3); % dQ_M/dt
-    dydt(4) = k_diffMC * y(3) + k_diffLC * y(2) - k_dist * y(4) - k_excrete * y(4); % dQ_C/dt
-    dydt(5) = k_dist * y(4) - k_move * y(5); % dQ_I/dt
-end
-```
+                    ```metlab
+                    % Define parameters
+                    Q_inhale = 100; % mg
+                    k_exhale = 10;
+                    k_perm = 0.005;
+                    k_adh = 0.001;
+                    k_diffMC = 0.01;
+                    k_diffLC = 0.05;
+                    k_dist = 0.001;
+                    k_excrete = 0.05;
+                    k_move = 0.02;
+
+                    % Define the time range
+                    tspan = [0 300]; % From 0 to 5 minutes
+                    initial_conditions = [0 0 0 0 0]; % The initial condition is 0
+
+                    % solve ODE
+                    [t, y] = ode45(@(t,y) odefun(t, y, Q_inhale, k_exhale, k_perm, k_adh, k_diffMC, k_diffLC, k_dist,
+                    k_excrete, k_move), tspan, initial_conditions);
+
+                    % calculate V_inhale
+                    V_inhale = Q_inhale / 5 * (heaviside(t) - heaviside(t-5));
+
+                    figure('Position', [100, 100, 1200, 1000]);
+
+                    % V_inhale(t)
+                    subplot(3,2,1)
+                    plot(t, V_inhale)
+                    title('V_{inhale}(t)')
+                    xlabel('Time (s)')
+                    ylabel('V_{inhale}')
+
+                    % Q_A(t)
+                    subplot(3,2,2)
+                    plot(t, y(:,1))
+                    title('Q_A(t)')
+                    xlabel('Time (s)')
+                    ylabel('Q_A')
+
+                    % Q_L(t)
+                    subplot(3,2,3)
+                    plot(t, y(:,2))
+                    title('Q_L(t)')
+                    xlabel('Time (s)')
+                    ylabel('Q_L')
+
+                    % Q_M(t)
+                    subplot(3,2,4)
+                    plot(t, y(:,3))
+                    title('Q_M(t)')
+                    xlabel('Time (s)')
+                    ylabel('Q_M')
+
+                    % Q_C(t)
+                    subplot(3,2,5)
+                    plot(t, y(:,4))
+                    title('Q_C(t)')
+                    xlabel('Time (s)')
+                    ylabel('Q_C')
+
+                    % Q_I(t)
+                    subplot(3,2,6)
+                    plot(t, y(:,5))
+                    title('Q_I(t)')
+                    xlabel('Time (s)')
+                    ylabel('Q_I')
+
+                    sgtitle('Simulation Results')
+
+                    % ODE
+                    function dydt = odefun(t, y, Q_inhale, k_exhale, k_perm, k_adh, k_diffMC, k_diffLC, k_dist,
+                    k_excrete, k_move)
+                    V_inhale = Q_inhale / 5 * (heaviside(t) - heaviside(t-5));
+                    dydt = zeros(5,1);
+                    dydt(1) = V_inhale - (k_exhale + k_perm) * y(1); % dQ_A/dt
+                    dydt(2) = k_perm * y(1) - k_diffLC * y(2); % dQ_L/dt
+                    dydt(3) = 0.0005 * k_adh * V_inhale - k_diffMC * y(3); % dQ_M/dt
+                    dydt(4) = k_diffMC * y(3) + k_diffLC * y(2) - k_dist * y(4) - k_excrete * y(4); % dQ_C/dt
+                    dydt(5) = k_dist * y(4) - k_move * y(5); % dQ_I/dt
+                    end
+                    ```
                 </div>
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