small typos fix

1 files changed, 2 insertions, 2 deletions

diff --git a/notes/presentation/beamer_2.tex b/notes/presentation/beamer_2.tex
index 2a42a3b..0066511 100644
--- a/notes/presentation/beamer_2.tex
+++ b/notes/presentation/beamer_2.tex
@@ -88,7 +88,7 @@ What do we know? What do we want to know?
 \begin{itemize}
 \item At $t=0$, the {\color{orange} orange} node is infected, and the two other nodes are susceptible. $X_0 = $({\color{orange} orange})
 \item At $t=1$, the {\color{orange}} node infects the {\color{blue} blue} node and fails to infect the {\color{green} green} node. The {\color{orange} orange} node dies. $X_1 = $({\color{blue} blue})
-\item At $t=2$, {\color{blue} blue} dies. $X_3 = \emptyset$
+\item At $t=2$, {\color{blue} blue} dies. $X_2 = \emptyset$
 \end{itemize}
 \end{block}
 
@@ -105,7 +105,7 @@ What do we know? What do we want to know?
 \end{figure}
 
 \begin{itemize}
-\item If $3$ and $4$ are {\color{blue} infected} at $t=0$, what is the probability that node $0$ is infected at $t=1$?
+\item If the {\color{orange} orange} node and the {\color{green} green} node are infected at $t=0$, what is the probability that the {\color{blue} blue} node is infected at $t=1$?
 $$1 - \mathbb{P}(\text{not infected}) = 1 - (1 - .45)(1-.04)$$
 \end{itemize}