diff --git a/latex/presentations/midterm/sections/decoding_algorithms.tex b/latex/presentations/midterm/sections/decoding_algorithms.tex
index 3080e93..b21965f 100644
--- a/latex/presentations/midterm/sections/decoding_algorithms.tex
+++ b/latex/presentations/midterm/sections/decoding_algorithms.tex
@@ -44,11 +44,10 @@
             \begin{minipage}[c]{0.4\textwidth}
                 \raggedleft
                 \begin{flalign*}
-                    \mathcal{I} &\equiv \left\{\text{``Set of all variable nodes''}\right\} &\\
-                    \mathcal{J} &\equiv \left\{\text{``Set of all check nodes''}\right\} &\\
+                    \mathcal{I} &\equiv \left[1\text{ : }n\right],\hspace{2mm} \mathcal{J} \equiv \left[1\text{ : }m\right] \\
                     \mathcal{A}\left( i \right) &\equiv \left\{j | j\in \mathcal{J},
                         \boldsymbol{H}_{j,i} = 1
-                    \right\}, i \in \mathcal{I}&\\
+                \right\}, i \in \mathcal{I}\\
                 \end{flalign*}
             \end{minipage}
             \hfill
diff --git a/latex/presentations/midterm/sections/examination_results.tex b/latex/presentations/midterm/sections/examination_results.tex
index 4f73861..6f54e09 100644
--- a/latex/presentations/midterm/sections/examination_results.tex
+++ b/latex/presentations/midterm/sections/examination_results.tex
@@ -78,7 +78,7 @@
     \vspace*{-0.5cm}
     \begin{itemize}
         \item $\mathcal{O}\left(n  \right) $ time complexity - same as BP;
-            only multiplication and addition necessary
+            only multiplication and addition necessary \cite{proximal_paper}
         \item Measured performance: $\sim\SI{10000}{}$ frames/s
             on Intel Core i7-7700HQ @ 2.80GHz; $n=204$
     \end{itemize}