diff --git a/Sources/mas/Commands/Lucky.swift b/Sources/mas/Commands/Lucky.swift
index b79c776..16c7948 100644
--- a/Sources/mas/Commands/Lucky.swift
+++ b/Sources/mas/Commands/Lucky.swift
@@ -44,7 +44,7 @@ extension Mas {
             }
 
             guard let appID else {
-                fatalError()
+                fatalError("app ID returned from Apple is null")
             }
 
             try install(appID: appID, appLibrary: appLibrary)
diff --git a/Sources/mas/Commands/Reset.swift b/Sources/mas/Commands/Reset.swift
index 0ddc210..6698780 100644
--- a/Sources/mas/Commands/Reset.swift
+++ b/Sources/mas/Commands/Reset.swift
@@ -61,7 +61,7 @@ extension Mas {
 
             if kill.terminationStatus != 0, debug {
                 let output = stderr.fileHandleForReading.readDataToEndOfFile()
-                printInfo("killall  failed:\r\n\(String(data: output, encoding: String.Encoding.utf8)!)")
+                printError("killall failed:\n\(String(data: output, encoding: String.Encoding.utf8)!)")
             }
 
             // Wipe Download Directory