updated README

README.md

@@ -136,8 +136,8 @@ await api.directory.remove('/test')
 // Check if file exists
 const exists = await api.file.exists('/my_file.txt')
 
-// Delete a file
-await api.file.delete('/my_file.txt')
+// Remove a file
+await api.file.remove('/my_file.txt')
 
 // Download a remote file
 await api.file.download('/my_file.txt', 'C:\\my_file.txt', progress_cb);