diff --git a/src/docs/stan-reference/distributions.tex b/src/docs/stan-reference/distributions.tex
index 59c22e5..5045a99 100644
--- a/src/docs/stan-reference/distributions.tex
+++ b/src/docs/stan-reference/distributions.tex
@@ -324,8 +324,7 @@ c_{k+1}$ for $k \in \setlist{1,\ldots,K-2}$, and $\eta \in \reals$, then for $k
 \begin{array}{ll}
 1 - \mbox{logit}^{-1}(\eta - c_1) & \mbox{if } k = 1,
 \\[4pt]
-\mbox{logit}^{-1}(\eta - c_{k-1}) - \mbox{logit}^{-1}(\eta -
-\A{c_{k})} \FXA \ 
+\mbox{logit}^{-1}(\eta - c_{k-1}) - \mbox{logit}^{-1}(\eta - c_{k})
 & \mbox{if } 1 < k < K, \mbox{and}
 \\[4pt]
 \mbox{logit}^{-1}(\eta - c_{K-1}) - 0
