Apply suggested typo fix

Co-authored-by: Hans Olsson <HansOlsson@users.noreply.github.com>

chapters/operatorsandexpressions.tex

@@ -467,7 +467,7 @@ \subsection{Numeric Functions and Conversion Functions}\label{numeric-functions-
 sqrt($v$)
 \end{lstlisting}\end{synopsis}
 \begin{semantics}
-Square root of $v$, equvalent to \lstinline!nthRoot(v, 2)!.
+Square root of $v$, equivalent to \lstinline!nthRoot(v, 2)!.
 \end{semantics}
 \end{functiondefinition}