Spelling fixes - `wether` to `whether`
Interestingly `wether` means a castrated ram in old English
diff --git a/system/helpers/download_helper.php b/system/helpers/download_helper.php
index 5efbc49..09c4de5 100644
--- a/system/helpers/download_helper.php
+++ b/system/helpers/download_helper.php
@@ -46,7 +46,7 @@
*
* @param string filename
* @param mixed the data to be downloaded
- * @param bool wether to try and send the actual file MIME type
+ * @param bool whether to try and send the actual file MIME type
* @return void
*/
function force_download($filename = '', $data = '', $set_mime = FALSE)