diff --git a/app.go b/app.go
index 59bf68d..6f2f21f 100644
--- a/app.go
+++ b/app.go
@@ -64,7 +64,7 @@ type App struct {
 	Action ActionFunc
 	// Execute this function if the proper command cannot be found
 	CommandNotFound CommandNotFoundFunc
-	// Execute this function if an usage error occurs
+	// Execute this function if a usage error occurs
 	OnUsageError OnUsageErrorFunc
 	// Compilation date
 	Compiled time.Time