diff --git a/wp-includes/class-wp-image-editor-gd.php b/wp-includes/class-wp-image-editor-gd.php
index b0781b572d..050e69685e 100644
--- a/wp-includes/class-wp-image-editor-gd.php
+++ b/wp-includes/class-wp-image-editor-gd.php
@@ -279,8 +279,8 @@ class WP_Image_Editor_GD extends WP_Image_Editor {
 	 * @since 3.5.0
 	 * @access public
 	 *
-	 * @param boolean $horz Horizontal Flip
-	 * @param boolean $vert Vertical Flip
+	 * @param boolean $horz Flip along Horizontal Axis
+	 * @param boolean $vert Flip along Vertical Axis
 	 * @returns boolean|WP_Error
 	 */
 	public function flip( $horz, $vert ) {
diff --git a/wp-includes/class-wp-image-editor-imagick.php b/wp-includes/class-wp-image-editor-imagick.php
index 21e4e0cac3..457b7fc5f0 100644
--- a/wp-includes/class-wp-image-editor-imagick.php
+++ b/wp-includes/class-wp-image-editor-imagick.php
@@ -356,8 +356,8 @@ class WP_Image_Editor_Imagick extends WP_Image_Editor {
 	 * @since 3.5.0
 	 * @access public
 	 *
-	 * @param boolean $horz Horizontal Flip
-	 * @param boolean $vert Vertical Flip
+	 * @param boolean $horz Flip along Horizontal Axis
+	 * @param boolean $vert Flip along Vertical Axis
 	 * @returns boolean|WP_Error
 	 */
 	public function flip( $horz, $vert ) {
diff --git a/wp-includes/class-wp-image-editor.php b/wp-includes/class-wp-image-editor.php
index 7d76d66ecd..112560213c 100644
--- a/wp-includes/class-wp-image-editor.php
+++ b/wp-includes/class-wp-image-editor.php
@@ -144,8 +144,8 @@ abstract class WP_Image_Editor {
 	 * @access public
 	 * @abstract
 	 *
-	 * @param boolean $horz Horizontal Flip
-	 * @param boolean $vert Vertical Flip
+	 * @param boolean $horz Flip along Horizontal Axis
+	 * @param boolean $vert Flip along Vertical Axis
 	 * @return boolean|WP_Error
 	 */
 	abstract public function flip( $horz, $vert );