docs fix

1 files changed, 1 insertions, 1 deletions

diff --git a/it.class b/it.class
index 4bffec5..08d31f1 100644
--- a/it.class
+++ b/it.class
@@ -678,7 +678,7 @@ static function filter_keys($array, $keys, $p = array())
  *   {-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 $args varargs, contains key => val arrays or positionals for filling in cmd line. val=null expands to nothing
- *   '_callback' optional closure, $fn($cmd) => print($cmd) for echo, => !print($cmd) for echo and suppress
+ *   '_callback' optional closure, $fn($cmd) => print("$cmd\n") for echo, => !print($cmd) for echo and suppress
  * @return output of command. shell errors not detectable, consider it::system or see  /www/server/log/error_log
  */
 static function exec($cmd, ...$args)