diff --git a/src/Config_Command.php b/src/Config_Command.php
index 5b76aba0..9d02c065 100644
--- a/src/Config_Command.php
+++ b/src/Config_Command.php
@@ -73,7 +73,7 @@ class Config_Command extends WP_CLI_Command {
 	/**
 	 * List of default constants that are generated by WordPress Core.
 	 *
-	 * @string
+	 * @var string[]
 	 */
 	const DEFAULT_SALT_CONSTANTS = [
 		'AUTH_KEY',