update doc

douzi8 · Mar 2, 2015 · 28f045f · 28f045f
1 parent e336d89
commit 28f045f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -16,7 +16,7 @@ mocha
 Convert image file to image base64 data
 * {string} ``filename`` required  
 The image path
-* {function} ``callback`` required  
+* {function} ``callback(err, data)`` required  
 Callback with image base64 data
 ```js
 base64Img.base64('path/demo.png', function(err, data) {})
@@ -36,7 +36,7 @@ Image base64 data
 Dest path, if the destpath is root, pass empty string
 * {string} ``name`` required  
 The image's filename
-* {function} ``callback`` required
+* {function} ``callback(err, filepath)`` required
 ```js
 base64Img.img('data:image/png;base64,...', 'dest', '1', function(err, filepath) {});
 ```