Twenty Nineteen: Add more missing documentation for helper function p…

…arameters.

Follow-up to [59090].

Props viralsampat.
See #62112.

git-svn-id: https://develop.svn.wordpress.org/trunk@59102 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-content/themes/twentynineteen/inc/icon-functions.php

@@ -9,20 +9,29 @@
 
 /**
  * Gets the SVG code for a given icon.
+ * 
+ * @param string $icon The specific icon to retrieve.
+ * @param int    $size The desired width and height for the SVG icon.
  */
 function twentynineteen_get_icon_svg( $icon, $size = 24 ) {
 	return TwentyNineteen_SVG_Icons::get_svg( 'ui', $icon, $size );
 }
 
 /**
  * Gets the SVG code for a given social icon.
+ * 
+ * @param string $icon The specific icon to retrieve.
+ * @param int    $size The desired width and height for the SVG icon.
  */
 function twentynineteen_get_social_icon_svg( $icon, $size = 24 ) {
 	return TwentyNineteen_SVG_Icons::get_svg( 'social', $icon, $size );
 }
 
 /**
  * Detects the social network from a URL and returns the SVG code for its icon.
+ * 
+ * @param string $uri  The URL of the social network link.
+ * @param int    $size The desired width and height for the SVG icon.
  */
 function twentynineteen_get_social_link_svg( $uri, $size = 24 ) {
 	return TwentyNineteen_SVG_Icons::get_social_link_svg( $uri, $size );