better docs

1 files changed, 2 insertions, 2 deletions

diff --git a/it.class b/it.class
index 3720263..6ce68a8 100644
--- a/it.class
+++ b/it.class
@@ -598,8 +598,8 @@ static function filter_keys($array, $keys, $p = array())
  * {0} .. {n} quotes and inserts positional arguments
  * {-opts} array of opts => {value,true,false,null}: it::exec('ls {-opts}', ['-opts' => ["-l" => true]]);
  * @param $cmd Format string with {keywords} a la ET()
- * @param $values (zero, one or more arrays can be passed)
- * @return output of command. shell errors not detectable, see error_log in /www/server/log
+ * @param $values varargs, contains key => val arrays for filling in cmd line. val=null expands to nothing
+ * @return output of command. shell errors not detectable, consider it::system or see  /www/server/log/error_log
  */
 static function exec(/* $cmd, $values1 = array(), ... */)
 {