diff --git a/packer/builder.go b/packer/builder.go
index 7c67196f1..11bdc3046 100644
--- a/packer/builder.go
+++ b/packer/builder.go
@@ -30,7 +30,7 @@ type Builder interface {
 	// configuration.
 	//
 	// Prepare should return a list of variables that will be made accessible to
-	// users during the provison methods, a list of warnings along with any
+	// users during the provision methods, a list of warnings along with any
 	// errors that occurred while preparing.
 	Prepare(...interface{}) ([]string, []string, error)