diff --git a/src/wp-includes/shortcodes.php b/src/wp-includes/shortcodes.php
index f6855f542c..181aea048b 100644
--- a/src/wp-includes/shortcodes.php
+++ b/src/wp-includes/shortcodes.php
@@ -145,8 +145,10 @@ function shortcode_exists( $tag ) {
  * @since 3.6.0
  *
  * @global array $shortcode_tags
- * @param string $tag
- * @return boolean
+ *
+ * @param string $content Content to search for shortcodes.
+ * @param string $tag     Shortcode tag to check.
+ * @return bool Whether the passed content contains. the given shortcode.
  */
 function has_shortcode( $content, $tag ) {
 	if ( false === strpos( $content, '[' ) ) {