fix: ✏️ Fix XOR to NXOR

sections/partie-technique/IA/entrainement/entrainement.tex

@@ -6,6 +6,6 @@ For each training example, the network performs a forward pass, then applies bac
 
 The output results are displayed at each training step, allowing visualization of the final values of weights and biases.
 \begin{figure}[H]
-	\caption{Example output of the training of the XOR neural network.}
+	\caption{Example output of the training of the NXOR neural network.}
 	\includegraphics[scale=0.5]{sections/partie-technique/IA/entrainement/ia-train-demo.png}
 \end{figure}