* NNB: you can set it to any non-empty array for HTTP11 and HTTPS, since
* in those cases it will be up to CURL to decide the compression methods
* it supports. You might check for the presence of 'zlib' in the output of
- * curl_version() to determine wheter compression is supported or not
+ * curl_version() to determine whether compression is supported or not
*/
public $accepted_compression = array();