diff --git a/NEWS.md b/NEWS.md
index ac361f10..4abcd819 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -4,7 +4,8 @@
 
 * Add `as_noise_params` (#228) 
 
-* Updated `simulate_xsectionalData.Rmd()` (linting, removing deprecated functions).
+* Updated `simulate_xsectionalData.Rmd` (linting, removing deprecated functions)
+(#289)
 
 * Added default value for `antigen_isos` argument in `log_likelihood()` (#286)