diff --git a/newsfragments/523.feature.rst b/newsfragments/523.feature.rst
index 982a09da..62593a65 100644
--- a/newsfragments/523.feature.rst
+++ b/newsfragments/523.feature.rst
@@ -1 +1,2 @@
-Added a maximum RSA key size limit of 4096 bits to prevent resource exhaustion attacks.
+Added a maximum RSA key size limit of 4096 bits to prevent resource exhaustion attacks.Consolidated validation logic to use a single error message source and
+added tests to catch invalid key sizes (including negative values).