diff --git a/src/wp-content/themes/twentyeleven/functions.php b/src/wp-content/themes/twentyeleven/functions.php
index 1654d391e6..b3b1466ef4 100644
--- a/src/wp-content/themes/twentyeleven/functions.php
+++ b/src/wp-content/themes/twentyeleven/functions.php
@@ -9,11 +9,13 @@
  * The first function, twentyeleven_setup(), sets up the theme by registering support
  * for various features in WordPress, such as post thumbnails, navigation menus, and the like.
  *
- * When using a child theme (see https://codex.wordpress.org/Theme_Development and
- * https://codex.wordpress.org/Child_Themes), you can override certain functions
- * (those wrapped in a function_exists() call) by defining them first in your child theme's
- * functions.php file. The child theme's functions.php file is included before the parent
- * theme's file, so the child theme functions would be used.
+ * When using a child theme you can override certain functions (those wrapped
+ * in a function_exists() call) by defining them first in your child theme's
+ * functions.php file. The child theme's functions.php file is included before
+ * the parent theme's file, so the child theme functions would be used.
+ *
+ * @link https://codex.wordpress.org/Theme_Development
+ * @link https://developer.wordpress.org/themes/advanced-topics/child-themes/
  *
  * Functions that are not pluggable (not wrapped in function_exists()) are instead attached
  * to a filter or action hook. The hook can be removed by using remove_action() or
diff --git a/src/wp-content/themes/twentyfifteen/functions.php b/src/wp-content/themes/twentyfifteen/functions.php
index 2713ba2cc3..201fb2b3fa 100644
--- a/src/wp-content/themes/twentyfifteen/functions.php
+++ b/src/wp-content/themes/twentyfifteen/functions.php
@@ -12,7 +12,7 @@
  * the parent theme's file, so the child theme functions would be used.
  *
  * @link https://codex.wordpress.org/Theme_Development
- * @link https://codex.wordpress.org/Child_Themes
+ * @link https://developer.wordpress.org/themes/advanced-topics/child-themes/
  *
  * Functions that are not pluggable (not wrapped in function_exists()) are
  * instead attached to a filter or action hook.
diff --git a/src/wp-content/themes/twentyfourteen/functions.php b/src/wp-content/themes/twentyfourteen/functions.php
index e705a54609..c017dac644 100644
--- a/src/wp-content/themes/twentyfourteen/functions.php
+++ b/src/wp-content/themes/twentyfourteen/functions.php
@@ -12,7 +12,7 @@
  * the parent theme's file, so the child theme functions would be used.
  *
  * @link https://codex.wordpress.org/Theme_Development
- * @link https://codex.wordpress.org/Child_Themes
+ * @link https://developer.wordpress.org/themes/advanced-topics/child-themes/
  *
  * Functions that are not pluggable (not wrapped in function_exists()) are
  * instead attached to a filter or action hook.
diff --git a/src/wp-content/themes/twentysixteen/functions.php b/src/wp-content/themes/twentysixteen/functions.php
index 2c47a2d289..5dbd51217b 100644
--- a/src/wp-content/themes/twentysixteen/functions.php
+++ b/src/wp-content/themes/twentysixteen/functions.php
@@ -12,7 +12,7 @@
  * the parent theme's file, so the child theme functions would be used.
  *
  * @link https://codex.wordpress.org/Theme_Development
- * @link https://codex.wordpress.org/Child_Themes
+ * @link https://developer.wordpress.org/themes/advanced-topics/child-themes/
  *
  * Functions that are not pluggable (not wrapped in function_exists()) are
  * instead attached to a filter or action hook.
diff --git a/src/wp-content/themes/twentyten/functions.php b/src/wp-content/themes/twentyten/functions.php
index 4072713d2c..a3617c6a1a 100644
--- a/src/wp-content/themes/twentyten/functions.php
+++ b/src/wp-content/themes/twentyten/functions.php
@@ -9,11 +9,13 @@
  * The first function, twentyten_setup(), sets up the theme by registering support
  * for various features in WordPress, such as post thumbnails, navigation menus, and the like.
  *
- * When using a child theme (see https://codex.wordpress.org/Theme_Development and
- * https://codex.wordpress.org/Child_Themes), you can override certain functions
- * (those wrapped in a function_exists() call) by defining them first in your child theme's
- * functions.php file. The child theme's functions.php file is included before the parent
- * theme's file, so the child theme functions would be used.
+ * When using a child theme you can override certain functions (those wrapped
+ * in a function_exists() call) by defining them first in your child theme's
+ * functions.php file. The child theme's functions.php file is included before
+ * the parent theme's file, so the child theme functions would be used.
+ *
+ * @link https://codex.wordpress.org/Theme_Development
+ * @link https://developer.wordpress.org/themes/advanced-topics/child-themes/
  *
  * Functions that are not pluggable (not wrapped in function_exists()) are instead attached
  * to a filter or action hook. The hook can be removed by using remove_action() or
diff --git a/src/wp-content/themes/twentythirteen/functions.php b/src/wp-content/themes/twentythirteen/functions.php
index dd3dec7cea..12ca2ea745 100644
--- a/src/wp-content/themes/twentythirteen/functions.php
+++ b/src/wp-content/themes/twentythirteen/functions.php
@@ -6,12 +6,13 @@
  * theme as custom template tags. Others are attached to action and filter
  * hooks in WordPress to change core functionality.
  *
- * When using a child theme (see https://codex.wordpress.org/Theme_Development
- * and https://codex.wordpress.org/Child_Themes), you can override certain
- * functions (those wrapped in a function_exists() call) by defining them first
- * in your child theme's functions.php file. The child theme's functions.php
- * file is included before the parent theme's file, so the child theme
- * functions would be used.
+ * When using a child theme you can override certain functions (those wrapped
+ * in a function_exists() call) by defining them first in your child theme's
+ * functions.php file. The child theme's functions.php file is included before
+ * the parent theme's file, so the child theme functions would be used.
+ *
+ * @link https://codex.wordpress.org/Theme_Development
+ * @link https://developer.wordpress.org/themes/advanced-topics/child-themes/
  *
  * Functions that are not pluggable (not wrapped in function_exists()) are
  * instead attached to a filter or action hook.
diff --git a/src/wp-content/themes/twentytwelve/functions.php b/src/wp-content/themes/twentytwelve/functions.php
index 95a7299a73..22c212edbe 100644
--- a/src/wp-content/themes/twentytwelve/functions.php
+++ b/src/wp-content/themes/twentytwelve/functions.php
@@ -6,11 +6,13 @@
  * in the theme as custom template tags. Others are attached to action and
  * filter hooks in WordPress to change core functionality.
  *
- * When using a child theme (see https://codex.wordpress.org/Theme_Development and
- * https://codex.wordpress.org/Child_Themes), you can override certain functions
- * (those wrapped in a function_exists() call) by defining them first in your child theme's
- * functions.php file. The child theme's functions.php file is included before the parent
- * theme's file, so the child theme functions would be used.
+ * When using a child theme you can override certain functions (those wrapped
+ * in a function_exists() call) by defining them first in your child theme's
+ * functions.php file. The child theme's functions.php file is included before
+ * the parent theme's file, so the child theme functions would be used.
+ *
+ * @link https://codex.wordpress.org/Theme_Development
+ * @link https://developer.wordpress.org/themes/advanced-topics/child-themes/
  *
  * Functions that are not pluggable (not wrapped in function_exists()) are instead attached
  * to a filter or action hook.