diff --git a/src/wp-admin/includes/taxonomy.php b/src/wp-admin/includes/taxonomy.php
index 52cff7f23c..9529a2b24f 100644
--- a/src/wp-admin/includes/taxonomy.php
+++ b/src/wp-admin/includes/taxonomy.php
@@ -29,7 +29,7 @@ function category_exists( $cat_name, $parent = null ) {
 }
 
 /**
- * {@internal Missing Short Description}}
+ * Get category object for given ID and 'edit' filter context.
  *
  * @since 2.0.0
  *
@@ -43,7 +43,7 @@ function get_category_to_edit( $id ) {
 }
 
 /**
- * {@internal Missing Short Description}}
+ * Add a new category to the database if it does not already exist.
  *
  * @since 2.0.0
  *
@@ -189,7 +189,7 @@ function wp_update_category($catarr) {
 //
 
 /**
- * {@internal Missing Short Description}}
+ * Check whether a post tag with a given name exists.
  *
  * @since 2.3.0
  *
@@ -201,7 +201,7 @@ function tag_exists($tag_name) {
 }
 
 /**
- * {@internal Missing Short Description}}
+ * Add a new tag to the database if it does not already exist.
  *
  * @since 2.3.0
  *
@@ -213,11 +213,12 @@ function wp_create_tag($tag_name) {
 }
 
 /**
- * {@internal Missing Short Description}}
+ * Get comma-separated list of tags available to edit.
  *
  * @since 2.3.0
  *
- * @param int $post_id
+ * @param int    $post_id
+ * @param string $taxonomy Optional. The taxonomy for which to retrieve terms. Default 'post_tag'.
  * @return string|bool|WP_Error
  */
 function get_tags_to_edit( $post_id, $taxonomy = 'post_tag' ) {
@@ -225,11 +226,12 @@ function get_tags_to_edit( $post_id, $taxonomy = 'post_tag' ) {
 }
 
 /**
- * {@internal Missing Short Description}}
+ * Get comma-separated list of terms available to edit for the given post ID.
  *
  * @since 2.8.0
  *
- * @param int $post_id
+ * @param int    $post_id
+ * @param string $taxonomy Optional. The taxonomy for which to retrieve terms. Default 'post_tag'.
  * @return string|bool|WP_Error
  */
 function get_terms_to_edit( $post_id, $taxonomy = 'post_tag' ) {
@@ -272,11 +274,12 @@ function get_terms_to_edit( $post_id, $taxonomy = 'post_tag' ) {
 }
 
 /**
- * {@internal Missing Short Description}}
+ * Add a new term to the database if it does not already exist.
  *
  * @since 2.8.0
  *
  * @param int|string $tag_name
+ * @param string $taxonomy Optional. The taxonomy for which to retrieve terms. Default 'post_tag'.
  * @return array|WP_Error
  */
 function wp_create_term($tag_name, $taxonomy = 'post_tag') {