Fix help text for fixture all.

src/Console/Command/Task/FixtureTask.php

@@ -81,7 +81,7 @@ class FixtureTask extends BakeTask {
 			'help' => __d('cake_console', 'The SQL snippet to use when importing records.'),
 			'default' => '1=1',
 		])->addSubcommand('all', [
-			'help' => __d('cake_console', 'Bake all model files with associations and validation.')
+			'help' => __d('cake_console', 'Bake all fixture files for tables in the chosen connection.')
 		]);
 
 		return $parser;