diff --git a/website/source/docs/extending/custom-post-processors.html.md b/website/source/docs/extending/custom-post-processors.html.md
index 8d368aa26..c4bc34544 100644
--- a/website/source/docs/extending/custom-post-processors.html.md
+++ b/website/source/docs/extending/custom-post-processors.html.md
@@ -37,7 +37,7 @@ explaining what each method should do.
 ``` go
 type PostProcessor interface {
   Configure(interface{}) error
-  PostProcess(context.Context, Ui, Artifact) (a Artifact, keep, mustKeel bool, err error)
+  PostProcess(context.Context, Ui, Artifact) (a Artifact, keep, mustKeep bool, err error)
 }
 ```