diff --git a/src/wp-includes/media.php b/src/wp-includes/media.php
index 94ce3cd53f..1f7e7786c9 100644
--- a/src/wp-includes/media.php
+++ b/src/wp-includes/media.php
@@ -231,7 +231,7 @@ function image_downsize( $id, $size = 'medium' ) {
  * @param string     $name   Image size identifier.
  * @param int        $width  Image width in pixels.
  * @param int        $height Image height in pixels.
- * @param bool|array $crop   Optional. Whether to crop images to specified height and width or resize.
+ * @param bool|array $crop   Optional. Whether to crop images to specified width and height or resize.
  *                           An array can specify positioning of the crop area. Default false.
  */
 function add_image_size( $name, $width = 0, $height = 0, $crop = false ) {