diff --git a/Sources/Tonic/ChordType.swift b/Sources/Tonic/ChordType.swift
index c207e79..a7341bf 100644
--- a/Sources/Tonic/ChordType.swift
+++ b/Sources/Tonic/ChordType.swift
@@ -203,14 +203,14 @@ extension ChordType: CustomStringConvertible {
         case .minorFlatNinth:                   return "m7♭9"
         case .minorNinth:                       return "m9"
         case .majorAddNine:                     return "add9"
-        case .minorAddNine:                     return "madd9"
+        case .minorAddNine:                     return "mAdd9"
         case .sixOverNine:                      return "6/9"
         case .majorEleventh:                    return "maj11"
         case .dominantEleventh:                 return "11"
         case .minorEleventh:                    return "m11"
         case .halfDiminishedEleventh:           return "(1/2)°11"
-        case .majorSeventhFlatFifth:            return "Maj7♭5"
-        case .minorSeventhSharpFifth:           return "Maj7♯5"
+        case .majorSeventhFlatFifth:            return "maj7♭5"
+        case .minorSeventhSharpFifth:           return "maj7♯5"
         case .majorNinthSharpEleventh:          return "maj9♯11"
         case .dominantFlatFifth:                return "7♭5"
         case .dominantSharpFifth:               return "7♯5"