Remove $v''$ from example presentations of 'der(v, 2)'

chapters/annotations.tex

@@ -198,7 +198,7 @@ \subsubsection{Plot Curves}\label{plot-curves}
 
 \begin{nonnormative}
 While the syntax for referring to a second order derivative is \lstinline!der(v, 2)!, the appearance is left for tools to decide.
-For example, a tool might choose to present this as \lstinline!der(der(v))! or even $v''$.
+For example, a tool might choose to present this as \lstinline!der(der(v))!.
 \end{nonnormative}
 
 When \lstinline!legend! is not provided, the tool produces a default based on \lstinline!x! and/or \lstinline!y!.