diff --git a/src/cmdstan-guide/diagnose_utility.Rmd b/src/cmdstan-guide/diagnose_utility.Rmd
index 102bc194a..2c8933b1b 100644
--- a/src/cmdstan-guide/diagnose_utility.Rmd
+++ b/src/cmdstan-guide/diagnose_utility.Rmd
@@ -174,7 +174,7 @@ concern. Configuring the No-U-Turn-Sampler (the variant of
 HMC used by Stan) requires putting a cap on the depth of the trees
 that it evaluates during each iteration (for details on this see the
 *Hamiltonian Monte Carlo Sampling* chapter in the
-[Stan Reference Manual](https://mc-stan.org/docs/reference-manual/hmc.html).
+[Stan Reference Manual](https://mc-stan.org/docs/reference-manual/hmc.html)).
 When the maximum allowed tree depth is reached it
 indicates that NUTS is terminating prematurely to avoid excessively
 long execution time.