diff --git a/includes/common.inc b/includes/common.inc
index d7b030f9e236195f4c5eefea1fdf77b14e3d6b43..222a503bd1a1ecd2adde08b52c8d5aff7b6cede9 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -3694,6 +3694,8 @@ function watchdog_severity_levels() {
 
 /**
  * Explode a string of given tags into an array.
+ *
+ * @see drupal_implode_tags()
  */
 function drupal_explode_tags($tags) {
   // This regexp allows the following types of user input:
@@ -3718,6 +3720,8 @@ function drupal_explode_tags($tags) {
 
 /**
  * Implode an array of tags into a string.
+ *
+ * @see drupal_explode_tags()
  */
 function drupal_implode_tags($tags) {
   $encoded_tags = array();
diff --git a/modules/taxonomy/taxonomy.module b/modules/taxonomy/taxonomy.module
index 07d188e08f8e300c932a1bbde7397294c04519b0..014112006f001ce8de509c390dc0d8b3bf7fe830 100644
--- a/modules/taxonomy/taxonomy.module
+++ b/modules/taxonomy/taxonomy.module
@@ -1330,7 +1330,9 @@ function _taxonomy_get_tid_from_term($term) {
 }
 
 /**
- * Implode a list of tags of a certain vocabulary into a string.
+ * Implodes a list of tags of a certain vocabulary into a string.
+ *
+ * @see drupal_explode_tags()
  */
 function taxonomy_implode_tags($tags, $vid = NULL) {
   $typed_tags = array();