diff --git a/NEWS.md b/NEWS.md
index 487c26f46..2a8b4ecb9 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -15,6 +15,9 @@
 * Clarification in the documentation of the `estimator` argument for
   `performance_aic()`.
 
+* Improved plots for overdispersion-checks for negative-binomial models from
+  package *glmmTMB* (affects `check_overdispersion()` and `check_mnodel()`).
+
 * For model of class `glmmTMB`, deviance residuals are now used in the
   `check_model()` plot.