diff --git a/docs/release-notes.rst b/docs/release-notes.rst
index 6ba64e2..7a473d1 100644
--- a/docs/release-notes.rst
+++ b/docs/release-notes.rst
@@ -14,6 +14,7 @@ Next release (??? ?, 2016)
   and for production, use *pip install 'pykwalify[ruamel]'*
 - ruamel.yaml is now used before PyYaml if installed on your system
 - Implement data type *date* (bneron & gr0kz3n)
+- Fixed a bug where scalar type was not validated correctly.
 
 
 1.5.1 (Mar 6, 2016)