Fix punctuation

Author: avehtari

src/functions-reference/positive_lower-bounded_distributions.qmd

@@ -203,17 +203,17 @@ In the case where $s_{\delta}$, $s_{\beta}$, and $s_{\tau}$ are all $0$, this si
 \text{Wiener}(y|\alpha, \tau, \beta, \delta) =
 \frac{\alpha}{(y-\tau)^{3/2}} \exp \! \left(- \delta \alpha \beta -
 \frac{\delta^2(y-\tau)}{2}\right) \sum_{k = - \infty}^{\infty} (2k +
-\beta) \phi \! \left(\frac{(2k + \beta)\alpha }{\sqrt{y - \tau}}\right)
+\beta) \phi \! \left(\frac{(2k + \beta)\alpha }{\sqrt{y - \tau}}\right),
 \end{equation*} where $\phi(x)$ denotes the standard normal density function;  
 
 and one representation that converges fast for large reaction-time values ("large time expansion"):
 \begin{equation*}
 \text{Wiener}(y|\alpha, \tau, \beta, \delta) =
 \frac{\pi}{\alpha^2} \exp \! \left(- \delta \alpha \beta -
-\frac{\delta^2(y-\tau)}{2}\right) \sum_{k = 1}^{\infty} k \exp \! \left(-\frac{k^2\pi^2(y-\tau)}
+\frac{\delta^2(y-\tau)}{2}\right) \sum_{k = 1}^{\infty} k \exp \! \left(-\frac{k^2\pi^2(y-\tau)};
 {2\alpha^2}\right) \sin \!(k\pi\beta)
-\end{equation*};see
-[@Feller1968], [@NavarroFuss2009].
+\end{equation*}
+see [@Feller1968], [@NavarroFuss2009].
 
 ### Distribution statement