diff --git a/Advanced/Knots/images/composition a.png b/Advanced/Knots/images/composition a.png
index 8e4c49a..8bd29a5 100644
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diff --git a/Advanced/Knots/images/composition b.png b/Advanced/Knots/images/composition b.png
index 95977dc..b91e98e 100644
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diff --git a/Advanced/Knots/images/composition c.png b/Advanced/Knots/images/composition c.png
deleted file mode 100644
index 8bd29a5..0000000
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diff --git a/Advanced/Knots/images/composition d.png b/Advanced/Knots/images/composition d.png
deleted file mode 100644
index b91e98e..0000000
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diff --git a/Advanced/Knots/images/figure eight many.png b/Advanced/Knots/images/figure eight many.png
new file mode 100644
index 0000000..c70e0e9
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diff --git a/Advanced/Knots/images/figure eight.png b/Advanced/Knots/images/figure eight.png
index c70e0e9..8e4c49a 100644
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diff --git a/Advanced/Knots/images/trefoil.png b/Advanced/Knots/images/trefoil.png
new file mode 100644
index 0000000..95977dc
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diff --git a/Advanced/Knots/parts/0 intro.tex b/Advanced/Knots/parts/0 intro.tex
index 4812301..a543910 100644
--- a/Advanced/Knots/parts/0 intro.tex	
+++ b/Advanced/Knots/parts/0 intro.tex	
@@ -147,7 +147,7 @@ We call each drawing a \textit{projection}. Below are four projections of the \t
 
 \vspace{2mm}
 \begin{center}
-	\includegraphics[width=0.8\linewidth]{images/figure eight.png}
+	\includegraphics[width=0.8\linewidth]{images/figure eight many.png}
 \end{center}
 \vspace{2mm}
 
diff --git a/Advanced/Knots/parts/1 composition.tex b/Advanced/Knots/parts/1 composition.tex
index 85cf2e7..c3b4341 100644
--- a/Advanced/Knots/parts/1 composition.tex	
+++ b/Advanced/Knots/parts/1 composition.tex	
@@ -7,21 +7,21 @@ The knot $A \boxplus B$ is created by cutting $A$ and $B$ and joining their ends
 	\hfill
 	\begin{minipage}[t]{0.15\textwidth}
 	\begin{center}
-		\includegraphics[width=\linewidth]{images/composition a.png}
+		\includegraphics[width=\linewidth]{images/figure eight.png}
 		$A$
 	\end{center}
 	\end{minipage}
 	\hfill
 	\begin{minipage}[t]{0.13\textwidth}
 	\begin{center}
-		\includegraphics[width=\linewidth]{images/composition b.png}
+		\includegraphics[width=\linewidth]{images/trefoil.png}
 		$B$
 	\end{center}
 	\end{minipage}
 	\hfill
 	\begin{minipage}[t]{0.3\textwidth}
 	\begin{center}
-		\includegraphics[width=\linewidth]{images/composition c.png}
+		\includegraphics[width=\linewidth]{images/composition a.png}
 		$A \boxplus B$
 	\end{center}
 	\end{minipage}
@@ -32,7 +32,7 @@ We must be careful to avoid new crossings when composing knots:
 
 \vspace{2mm}
 \begin{center}
-	\includegraphics[width=0.45\linewidth]{images/composition d.png}
+	\includegraphics[width=0.45\linewidth]{images/composition b.png}
 \end{center}
 \vspace{2mm}