diff --git a/dotdrop/dotfile.py b/dotdrop/dotfile.py
index 34d49e9..388a6c6 100644
--- a/dotdrop/dotfile.py
+++ b/dotdrop/dotfile.py
@@ -8,9 +8,9 @@ represents a dotfile in dotdrop
 class Dotfile:
 
     def __init__(self, key, dst, src):
-        self.key = key
-        self.dst = dst
-        self.src = src
+        self.key = key # key of dotfile in the config
+        self.dst = dst # where to install this dotfile
+        self.src = src # stored dotfile in dotdrop
 
     def __str__(self):
         string = 'key:%s, src: %s, dst: %s' % (self.key,