diff --git a/latex/sections/results.tex b/latex/sections/results.tex
index 4d3648f..773bcec 100644
--- a/latex/sections/results.tex
+++ b/latex/sections/results.tex
@@ -74,7 +74,8 @@ of Var$(\epsilon) = 0.0001$. %
 \begin{figure}[H]
     \centering
     \includegraphics[width=\linewidth]{../images/pd_estimate_1_0.pdf}
-    \caption{Distribution of values of energy per spin, when temperature is $T = 1.0 J / k_{B}$}
+    \caption{Distribution of values of energy per spin, when temperature is $T = 1.0 J / k_{B}$.
+    The green line shows the normal curve $\mathcal{N}(\langle \epsilon \rangle, \text{Var}(\epsilon))$.}
     \label{fig:histogram_1_0}
 \end{figure} %
 In Figure \ref{fig:histogram_2_4}, for $T_{2}$, the samples of energy per spin is 
@@ -82,7 +83,8 @@ centered around the expectation value $\langle \epsilon \rangle = -1.2367$. %
 \begin{figure}[H]
     \centering
     \includegraphics[width=\linewidth]{../images/pd_estimate_2_4.pdf}
-    \caption{Distribution of values of energy per spin, when temperature is $T = 2.4 J / k_{B}$}
+    \caption{Distribution of values of energy per spin, when temperature is $T = 2.4 J / k_{B}$. 
+    The green line shows the normal curve $\mathcal{N}(\langle \epsilon \rangle, \text{Var}(\epsilon))$.}
     \label{fig:histogram_2_4}
 \end{figure} % 
 However, we observed a higher variance of Var$(\epsilon) = 0.0202$. When the temperature