diff --git a/PhD/research_proposal/presentation.tex b/PhD/research_proposal/presentation.tex
index bc0f6e9..dc957c2 100644
--- a/PhD/research_proposal/presentation.tex
+++ b/PhD/research_proposal/presentation.tex
@@ -195,11 +195,11 @@
     \end{figure}
 \end{frame}
 
-\begin{frame}{Main problem Statement}
+\begin{frame}{Main Problem Statement}
     \textbf{Problem Statement 1}
     \textit{
     Given a discretized time series $t$ and a set of patterns $P=\{\chi, P_1,\dots, P_n\}$, identify an injective mapping $m_{SSSM}:\mathbb{N}\longrightarrow P$ such that every sample $t[i]$
-    maps to a pattern in $P$ with the condition that the sample matches an occurence of the pattern in $t$.
+    maps to a pattern in $P$ with the condition that the sample matches an occurrence of the pattern in $t$.
 }
 \end{frame}
 
@@ -283,7 +283,7 @@
 \begin{frame}{Conclusion}
     \begin{itemize}[<+- | alert@+>]
         \item Preliminary work illustrates potential and identified a gap.
-        \item Three main problems identified:
+        \item Three sub-problems identified:
             \begin{itemize}[<+- | alert@+>]
                 \item SSSM shows good results so far.
                 \item SSMM is an extension of preliminary work.