diff --git a/a.5-decaying-indicators/content.tex b/a.5-decaying-indicators/content.tex
index dbb1967..6506d2e 100644
--- a/a.5-decaying-indicators/content.tex
+++ b/a.5-decaying-indicators/content.tex
@@ -106,7 +106,7 @@
 
 \begin{frame}
     \frametitle{Scoring Indicators: Our solution}
-    $$ \texttt{score}(\texttt{\tiny Attribute}) = \texttt{base\_score}(\texttt{\tiny Attribute}) \;\;\bullet\;\; \texttt{decay}(\texttt{\tiny Model}) $$
+    $$ \texttt{score}(\texttt{\tiny Attribute}) = \texttt{base\_score}(\texttt{\tiny Attribute, Model}) \;\;\bullet\;\; \texttt{decay}(\texttt{\tiny Model, time}) $$
     Where,\vspace{0.5cm}
     \begin{itemize}
         \item \texttt{score} $ \in [0, +\infty $
@@ -118,35 +118,45 @@
 
 \begin{frame}
     \frametitle{Scoring Indicators: \texttt{base\_score} (1)}
+    $$ \texttt{score}(\texttt{\tiny Attribute}) = \texttt{base\_score}(\texttt{\tiny Attribute, Model}) \;\;\bullet\;\; {\color{gray}\texttt{decay}(\texttt{\tiny Model, time})} $$
         When scoring indicators\footnote{Paper available: \url{https://arxiv.org/pdf/1803.11052}}, multiple parameters\footnote{at a variable extent as required} can be taken into account. The {\bf base score} is calculated with the following in mind:
     \begin{itemize}
         \item {\color{purple}Data reliability, credibility, analyst skills, custom prioritisation tags (economical-impact), etc.}
         \item {\color{orange}Trust in the source}
     \end{itemize}
-    \vspace{0.5cm}
+    \vspace{0.3cm}
     $$\texttt{base\_score} = \omega_{tg} \cdot {\color{purple}tags} + \omega_{sc} \cdot {\color{orange}source\_confidence}$$
+    Where,
+    \begin{itemize}
+        \item[] $\omega_{sc} + \omega_{tg} = 1$
+    \end{itemize}
 \end{frame}
 
 \begin{frame}
     \frametitle{Scoring Indicators: \texttt{base\_score} (2)}
+    Current implentation ignore \texttt{source\_confidence}:
+    $$\rightarrow \texttt{base\_score} = tags$$
     \includegraphics[width=1.0\linewidth]{pics/bs-computation-steps.png}
 \end{frame}
 
 \begin{frame}
     \frametitle{Scoring Indicators: decay speed (1)}
-    The \texttt{score} is calculated using:
+    $$ \texttt{score}(\texttt{\tiny Attribute}) = {\color{gray}\texttt{base\_score}(\texttt{\tiny Attribute, Model})} \;\;\bullet\;\; \texttt{decay}(\texttt{\tiny Model, time}) $$
+    The \texttt{decay} is calculated using:
    \begin{itemize}
-       \item The \texttt{lifetime} of the indicator (e.g. IP address vs hash value of a file)
+       \item The \texttt{lifetime} of the indicator
        \begin{itemize}
-           \item The lifespan of the indicator (short for an IP - long for an hash)
+           \item May vary depending on the indicator type
+           \item short for an IP, long for an hash
        \end{itemize}
        \item The \texttt{decay rate}, or speed at which an attribute loses value over time
+       \item The time elapsed since the latest update or sighting
    \end{itemize}
 \end{frame}
 
 \begin{frame}
     \frametitle{Scoring Indicators: putting it all toghether}
-    $\rightarrow$ \texttt{decayin rate} is re-initialized upon sighting addition, or said differently, the \texttt{score} is reset to its base score as new \texttt{sightings} are received.
+    $\rightarrow$ \texttt{decay rate} is \textbf{re-initialized upon sighting} addition, or said differently, the \texttt{score} is reset to its base score as new \texttt{sightings} are applied.
     $$score = base\_score \cdot \left( 1 - \left( \frac{t}{\tau_a} \right)^{\frac{1}{\delta_a}} \right) $$
 \end{frame}
 
@@ -154,7 +164,7 @@
 \frametitle{Implementation in MISP: Playing with Models}
     \begin{itemize}
         \item \textbf{Automatic scoring} based on default values
-        \item \textbf{User-friendly UI} to manually set lifetime parameters
+        \item \textbf{User-friendly UI} to manually set lifetime and decay parameters
         \item \textbf{Simulation} tool
         \item Interaction through the \textbf{API}
         \item Opportunity to create your \textbf{own} formula or algorythm
@@ -162,7 +172,20 @@
 \end{frame}
 
 \begin{frame}
-    \frametitle{Implementation in MISP: Model Types}
+    \frametitle{Implementation in MISP: Models definition}
+    Models are an instanciation of the formula where elements can be defined:
+    \begin{itemize}
+        \item Parameters: \texttt{lifetime, decay\_rate, threshold}
+        \item \texttt{base\_score}
+        \item \texttt{default base\_score}
+        \item formula
+        \item associate \textit{Attribute} types
+        \item creator organisation
+    \end{itemize}
+\end{frame}
+
+\begin{frame}
+    \frametitle{Implementation in MISP: Models Types}
     Multiple model types are available
     \begin{itemize}
         \item Default models: Models created and shared by the community. Available from \texttt{misp-decaying-models} repository\footnote{\url{https://github.com/MISP/misp-decaying-models.git}}.
@@ -203,7 +226,7 @@
 \end{frame}
 
 \begin{frame}[fragile]
-    \frametitle{Implementation in MISP: API (1)}
+    \frametitle{Implementation in MISP: API query body}
     \texttt{/attributes/restSearch}
     \begin{lstlisting}
 {
@@ -220,7 +243,7 @@
 \end{frame}
 
 \begin{frame}[fragile]
-    \frametitle{Implementation in MISP: API (2)}
+    \frametitle{Implementation in MISP: API result}
     \texttt{/attributes/restSearch}
     \begin{lstlisting}
 "Attribute": [
@@ -255,9 +278,18 @@
         \item Implement the two mandatory functions \texttt{computeScore} and \texttt{isDecayed} using your own formula/algorithm
         \item Create a Model and set the formula field to \texttt{{\$}filename}
     \end{itemize}
+
+    Use cases:
+    \begin{itemize}
+        \item Add support for \textbf{more feature} (expiration taxonomy)
+        \item \textbf{Query external services} then influence the score
+        \item Completely \textbf{different approach} (i.e streaming algorithm)
+        \item ...
+    \end{itemize}
+
 \end{frame}
 
-
+\lstset{language=PHP}
 \begin{frame}[fragile]
     \frametitle{Creating a new decay algorithm (2)}
     \lstset{basicstyle=\scriptsize}