tex: NFBP impl detail

latex/content.tex

@@ -142,8 +142,14 @@ Mathematically, the NFBP algorithm imposes the following constraint on the first
 
 \subsection{Implementation and results}
 
-We implemented the NFBP algorithm in Python, for it's ease of use and broad
-recommendation.
+We implemented the NFBP algorithm in Python \footnotemark, for its ease of use
+and broad recommendation. We used the \texttt{random} library to generate
+random numbers between $ 0 $ and $ 1 $ and \texttt{matplotlib} to plot the
+results.
+
+\footnotetext{The code is available in Annex \ref{annex:probabilistic}}
+
+