README.md in rmega-0.2.2 vs README.md in rmega-0.2.4

@@ -86,10 +86,10 @@
   node.type == :folder and node.name == 'my_folder'
 end
 folder.download("~/Downloads/my_folder")
 
 # Download a file by url
-publid_url = 'https://mega.co.nz/#!MAkg2Iab!bc9Y2U6d93IlRRKVYpcC9hLZjS4G278OPdH6nTFPDNQ'
+public_url = 'https://mega.co.nz/#!MAkg2Iab!bc9Y2U6d93IlRRKVYpcC9hLZjS4G278OPdH6nTFPDNQ'
 Rmega.download(public_url, '~/Downloads')
 ```
 
 ### Upload