diff --git a/inst/stan/parts/priors.stan b/inst/stan/parts/priors.stan
index 461e6b9..b9a132c 100644
--- a/inst/stan/parts/priors.stan
+++ b/inst/stan/parts/priors.stan
@@ -120,7 +120,7 @@
  * @param lambda Eigenvalues of W
  * @param n Length of y
  *
- * @return Log probability density of SAR model up to additive constant
+ * @return Log probability density of SAR model
 */
   real spatial_lag_lpdf(vector y,
 		       vector mu,