spelling fix

Author: wkdewey

CHANGELOG.md

@@ -28,7 +28,7 @@ Versioning](https://semver.org/spec/v2.0.0.html).
 ## [v1.0.4](https://github.com/CDRH/api/compare/v1.0.3...v1.0.4) - Updates & license
 
 ### Changed
-- Updated Ruby version, gems (which addresses mimemagic dependency problme), and
+- Updated Ruby version, gems (which addresses mimemagic dependency problem), and
 license added
 
 ### Added