CHANGELOG.md in selections-1.0.3 vs CHANGELOG.md in selections-1.0.4

@@ -1,4 +1,7 @@
+## 1.0.4
+* Validation error message update (system code must start with a letter)
+
 ## 1.0.3
 * Rubocop cleanup
 
 ## 1.0.2
 * Resolves existence validation issue.