Fix typo

chapters/operatorsandexpressions.tex

@@ -644,7 +644,7 @@ \subsection{Derivative and Special Purpose Operators with Function Syntax}\label
 \lstinline!der($\mathit{expr}$)! & Time derivative & \Cref{modelica:der} \\
 \lstinline!delay($\mathit{expr}$, $\ldots$)! & Time delay & \Cref{modelica:delay} \\
 \lstinline!cardinality($c$)! & Number of occurrences in \lstinline!connect!-equations & \Cref{modelica:cardinality} \\
-\lstinline!homotopy($\mathit{actual}$, $\mathit{simplified}$)! & Homotpy initialization & \Cref{modelica:homotopy} \\
+\lstinline!homotopy($\mathit{actual}$, $\mathit{simplified}$)! & Homotopy initialization & \Cref{modelica:homotopy} \\
 \lstinline!semiLinear($x$, $k^{+}$, $k^{-}$)! & Sign-dependent slope & \Cref{modelica:semiLinear} \\
 \lstinline!inStream($v$)! & Stream variable flow into component & \Cref{modelica:inStream} \\
 \lstinline!actualStream($v$)! & Actual value of stream variable & \Cref{modelica:actualStream} \\