Use colon instead of dash when attaching 'th' to ordinals

chapters/arrays.tex

@@ -971,8 +971,8 @@ \section{Array Indexing}\label{array-indexing}
 \begin{example}
 Array indexing expressions:
 \begin{lstlisting}[language=modelica]
-a[:, j]      // Vector of the j-th column of a.
-a[j]         // Vector of the j-th row of a. Same as: a[j, :]
+a[:, j]      // Vector of the j:th column of a.
+a[j]         // Vector of the j:th row of a. Same as: a[j, :]
 a[j : k]     // Same as: {a[j], a[j+1], $\ldots$, a[k]}
 a[:, j : k]  // Same as: [a[:, j], a[:, j+1], $\ldots$, a[:, k]]
 \end{lstlisting}

chapters/synchronous.tex

@@ -668,7 +668,10 @@ \subsection{Sub-clock conversion operators}\label{sub-clock-conversion-operators
 subSample($u$, factor=$\mathit{factor}$)
 \end{lstlisting}\end{synopsis}
 \begin{semantics}
-The clock of \lstinline!y = subSample($u$, $\mathit{factor}$)! is $\mathit{factor}$ times slower than the clock of $u$.  At every $\mathit{factor}$ ticks of the clock of $u$, the operator returns the value of $u$.  The first activation of the clock of \lstinline!y! coincides with the first activation of the clock of $u$, and then every activation of the clock of \lstinline!y! coincides with the every $\mathit{factor}$-th activativation of the clock of $u$.  If argument $\mathit{factor}$ is not provided or is equal to zero, it is inferred, see \cref{sub-clock-inferencing}.
+The clock of \lstinline!y = subSample($u$, $\mathit{factor}$)! is $\mathit{factor}$ times slower than the clock of $u$.
+At every $\mathit{factor}$ ticks of the clock of $u$, the operator returns the value of $u$.
+The first activation of the clock of \lstinline!y! coincides with the first activation of the clock of $u$, and then every activation of the clock of \lstinline!y! coincides with the every $\mathit{factor}$:th activativation of the clock of $u$.
+If argument $\mathit{factor}$ is not provided or is equal to zero, it is inferred, see \cref{sub-clock-inferencing}.
 \end{semantics}
 \end{operatordefinition}