From 7a6c37a7983fd22cfec5882ac3cf42369d9ea4ce Mon Sep 17 00:00:00 2001
From: TJ Holowaychuk <tj@vision-media.ca>
Date: Sun, 19 Nov 2017 10:51:25 -0800
Subject: [PATCH] add missing comment

---
 prune.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/prune.go b/prune.go
index 7862dd3..c127aa9 100644
--- a/prune.go
+++ b/prune.go
@@ -210,6 +210,7 @@ func (p *Pruner) prune(path string, info os.FileInfo) bool {
 		return true
 	}
 
+	// extensions
 	ext := filepath.Ext(path)
 	_, ok := p.exts[ext]
 	return ok