diff --git a/core/modules/system/tests/modules/menu_test/menu_test.module b/core/modules/system/tests/modules/menu_test/menu_test.module
index 6d458e1..578edd1 100644
--- a/core/modules/system/tests/modules/menu_test/menu_test.module
+++ b/core/modules/system/tests/modules/menu_test/menu_test.module
@@ -391,7 +391,7 @@ function menu_test_callback() {
 }
 
 /**
- * Page callback; Tests menu_test_menu_tree_set_path().
+ * Page callback: Tests menu_test_menu_tree_set_path().
  */
 function menu_test_menu_trail_callback() {
   $menu_path = state()->get('menu_test.menu_tree_set_path') ?: array();
@@ -414,7 +414,7 @@ function menu_test_init() {
 }
 
 /**
- * Page callback; Used for custom 403 and 404 pages.
+ * Page callback: Used for custom 403 and 404 pages.
  */
 function menu_test_custom_403_404_callback() {
   // When requested by one of the MenuTrailTestCase tests, record the final
@@ -428,7 +428,7 @@ function menu_test_custom_403_404_callback() {
 }
 
 /**
- * Page callback; Used when testing the theme callback functionality.
+ * Page callback: Used when testing the theme callback functionality.
  *
  * @param bool $inherited
  *   An optional boolean to set to TRUE when the requested page is intended to
@@ -453,7 +453,7 @@ function menu_test_theme_page_callback($inherited = FALSE) {
 }
 
 /**
- * Theme callback; Used when testing the theme callback functionality.
+ * Theme callback: Used when testing the theme callback functionality.
  *
  * @param string $argument
  *   The argument passed in from the URL.
@@ -571,14 +571,14 @@ function menu_test_menu_site_status_alter(&$menu_site_status, $path) {
 }
 
 /**
- * Page callback; Used as a login path.
+ * Page callback: Used as a login path.
  */
 function menu_login_callback() {
   return 'This is menu_login_callback().';
 }
 
 /**
- * Page callback; Concatenates the title and case number.
+ * Page callback: Concatenates the title and case number.
  *
  * @param string $title
  *   Title string.
diff --git a/core/modules/system/tests/modules/module_test/module_test.module b/core/modules/system/tests/modules/module_test/module_test.module
index 4d310b0..15fc3c3 100644
--- a/core/modules/system/tests/modules/module_test/module_test.module
+++ b/core/modules/system/tests/modules/module_test/module_test.module
@@ -93,7 +93,7 @@ function module_test_menu() {
 }
 
 /**
- * Page callback; For 'hook dynamic loading' test.
+ * Page callback: For 'hook dynamic loading' test.
  *
  * If the hook is dynamically loaded correctly, the menu callback should
  * return 'success!'.
@@ -104,7 +104,7 @@ function module_test_hook_dynamic_loading_invoke() {
 }
 
 /**
- * Page callback; For 'hook dynamic loading' test.
+ * Page callback: For 'hook dynamic loading' test.
  *
  * If the hook is dynamically loaded correctly, the menu callback should
  * return 'success!'.
@@ -115,7 +115,7 @@ function module_test_hook_dynamic_loading_invoke_all() {
 }
 
 /**
- * Page callback; For 'hook dynamic loading' test.
+ * Page callback: For 'hook dynamic loading' test.
  *
  * If the hook is dynamically loaded correctly, the menu callback should
  * return 'success!'.
@@ -136,7 +136,7 @@ function module_test_load($param) {
 }
 
 /**
- * Page callback; For 'class loading' test.
+ * Page callback: For 'class loading' test.
  *
  * This module does not have a dependency on module_autoload_test.module. If
  * that module is enabled, this function should return the string
diff --git a/core/modules/system/tests/modules/plugin_test/plugin_test.module b/core/modules/system/tests/modules/plugin_test/plugin_test.module
index ed860ea..84b4712 100644
--- a/core/modules/system/tests/modules/plugin_test/plugin_test.module
+++ b/core/modules/system/tests/modules/plugin_test/plugin_test.module
@@ -30,7 +30,7 @@ function plugin_test_menu() {
 }
 
 /**
- * Page callback; Prints plugin labels for testing.
+ * Page callback: Prints plugin labels for testing.
  *
  * @return array
  *   A simple renderable array of plugin labels.
diff --git a/core/modules/system/tests/modules/session_test/session_test.module b/core/modules/system/tests/modules/session_test/session_test.module
index ed40691..5cbf97e 100644
--- a/core/modules/system/tests/modules/session_test/session_test.module
+++ b/core/modules/system/tests/modules/session_test/session_test.module
@@ -65,7 +65,7 @@ function session_test_menu() {
 }
 
 /**
- * Page callback; Prints the stored session value to the screen.
+ * Page callback: Prints the stored session value to the screen.
  */
 function _session_test_get() {
   if (!empty($_SESSION['session_test_value'])) {
@@ -77,7 +77,7 @@ function _session_test_get() {
 }
 
 /**
- * Page callback; Stores a value in $_SESSION['session_test_value'].
+ * Page callback: Stores a value in $_SESSION['session_test_value'].
  */
 function _session_test_set($value) {
   $_SESSION['session_test_value'] = $value;
@@ -94,7 +94,7 @@ function _session_test_no_set($value) {
 }
 
 /**
- * Page callback; Prints the current session ID.
+ * Page callback: Prints the current session ID.
  */
 function _session_test_id() {
   // Set a value in $_SESSION, so that drupal_session_commit() will start
@@ -107,14 +107,14 @@ function _session_test_id() {
 }
 
 /**
- * Page callback; Prints the current session ID as read from the cookie.
+ * Page callback: Prints the current session ID as read from the cookie.
  */
 function _session_test_id_from_cookie() {
   return 'session_id:' . $_COOKIE[session_name()] . "\n";
 }
 
 /**
- * Page callback; Sets a message to be displayed on the following page.
+ * Page callback: Sets a message to be displayed on the following page.
  */
 function _session_test_set_message() {
   drupal_set_message(t('This is a dummy message.'));
@@ -125,7 +125,7 @@ function _session_test_set_message() {
 }
 
 /**
- * Page callback; Sets a message, but doesn't save session.
+ * Page callback: Sets a message, but doesn't save session.
  */
 function _session_test_set_message_but_dont_save() {
   drupal_save_session(FALSE);
@@ -133,7 +133,7 @@ function _session_test_set_message_but_dont_save() {
 }
 
 /**
- * Page callback; Sets a session value without an initiated session.
+ * Page callback: Sets a session value without an initiated session.
  */
 function _session_test_set_not_started() {
   if (!drupal_session_will_start()) {
@@ -176,7 +176,7 @@ function session_test_drupal_goto_alter(&$path, &$options, &$http_response_code)
 }
 
 /**
- * Page callback; Only available if current user is logged in.
+ * Page callback: Only available if current user is logged in.
  */
 function _session_test_is_logged_in() {
   return t('User is logged in.');
diff --git a/core/modules/system/tests/modules/system_test/system_test.module b/core/modules/system/tests/modules/system_test/system_test.module
index a35fcd9..342304b 100644
--- a/core/modules/system/tests/modules/system_test/system_test.module
+++ b/core/modules/system/tests/modules/system_test/system_test.module
@@ -110,7 +110,7 @@ function system_test_menu() {
 }
 
 /**
- * Page callback; Wrapper for PHP's sleep() function.
+ * Page callback: Wrapper for PHP's sleep() function.
  *
  * @param
  *   The number of seconds to delay processing.
@@ -122,7 +122,7 @@ function system_test_sleep($seconds) {
 }
 
 /**
- * Page callback; Sets header from query string.
+ * Page callback: Sets header from query string.
  */
 function system_test_basic_auth_page() {
   $output = t('$_SERVER[\'PHP_AUTH_USER\'] is @username.', array('@username' => $_SERVER['PHP_AUTH_USER']));
@@ -141,7 +141,7 @@ function system_test_redirect($code) {
 }
 
 /**
- * Page callback; Sends a redirect header to itself until $count argument is 0.
+ * Page callback: Sends a redirect header to itself until $count argument is 0.
  *
  * Emulates the variable number of redirects (given by initial $count argument)
  * to the final destination URL by continuous sending of 301 HTTP redirect
@@ -165,7 +165,7 @@ function system_test_multiple_redirects($count) {
 }
 
 /**
- * Page callback; Sets header from query string.
+ * Page callback: Sets header from query string.
  */
 function system_test_set_header() {
   drupal_add_http_header($_GET['name'], $_GET['value']);
@@ -173,7 +173,7 @@ function system_test_set_header() {
 }
 
 /**
- * Page callback; Sets local redirect.
+ * Page callback: Sets local redirect.
  */
 function system_test_redirect_noscheme() {
   header("Location: localhost/path", TRUE, 301);
@@ -181,7 +181,7 @@ function system_test_redirect_noscheme() {
 }
 
 /**
- * Page callback; Sets invalid header.
+ * Page callback: Sets invalid header.
  */
 function system_test_redirect_noparse() {
   header("Location: http:///path", TRUE, 301);
@@ -189,7 +189,7 @@ function system_test_redirect_noparse() {
 }
 
 /**
- * Page callback; Sets 301 redirect to FTP path.
+ * Page callback: Sets 301 redirect to FTP path.
  */
 function system_test_redirect_invalid_scheme() {
   header("Location: ftp://localhost/path", TRUE, 301);
@@ -342,14 +342,14 @@ function system_test_page_build(&$page) {
 }
 
 /**
- * Page callback; Tests main content fallback().
+ * Page callback: Tests main content fallback().
  */
 function system_test_main_content_fallback() {
   return t('Content to test main content fallback');
 }
 
 /**
- * Page callback; Adds a register shutdown function.
+ * Page callback: Adds a register shutdown function.
  */
 function system_test_page_shutdown_functions($arg1, $arg2) {
   drupal_register_shutdown_function('_system_test_first_shutdown_function', $arg1, $arg2);
@@ -394,7 +394,7 @@ function system_test_filetransfer_info() {
 }
 
 /**
- * Page callback; Initializes authorize.php during testing.
+ * Page callback: Initializes authorize.php during testing.
  *
  * @see system_authorized_init().
  */
diff --git a/core/modules/system/tests/modules/test_page_test/test_page_test.module b/core/modules/system/tests/modules/test_page_test/test_page_test.module
index 1325070..0edc6d7 100644
--- a/core/modules/system/tests/modules/test_page_test/test_page_test.module
+++ b/core/modules/system/tests/modules/test_page_test/test_page_test.module
@@ -20,7 +20,7 @@ function test_page_test_menu() {
 }
 
 /**
- * Page callback; Returns a test page and sets the title.
+ * Page callback: Returns a test page and sets the title.
  *
  * @see test_page_test_menu()
  */
diff --git a/core/modules/system/tests/modules/theme_test/theme_test.module b/core/modules/system/tests/modules/theme_test/theme_test.module
index 301c19c..ef2ba34 100644
--- a/core/modules/system/tests/modules/theme_test/theme_test.module
+++ b/core/modules/system/tests/modules/theme_test/theme_test.module
@@ -103,14 +103,14 @@ function _theme_test_load_registry() {
 }
 
 /**
- * Page callback; Used for testing themed output generated in hook_init().
+ * Page callback: Used for testing themed output generated in hook_init().
  */
 function theme_test_hook_init_page_callback() {
   return $GLOBALS['theme_test_output'];
 }
 
 /**
- * Page callback; Used for testing template overridding based on filename.
+ * Page callback: Used for testing template overridding based on filename.
  */
 function theme_test_template_test_page_callback() {
   return theme('theme_test_template_test');
@@ -143,7 +143,7 @@ function _theme_custom_theme() {
 }
 
 /**
- * Page callback; Calls drupal_alter().
+ * Page callback: Calls drupal_alter().
  *
  * This is for testing that the theme can have hook_*_alter() implementations
  * that run during page callback execution, even before theme() is called for
@@ -156,7 +156,7 @@ function _theme_test_alter() {
 }
 
 /**
- * Page callback; Calls a theme hook suggestion.
+ * Page callback: Calls a theme hook suggestion.
  */
 function _theme_test_suggestion() {
   return theme(array('theme_test__suggestion', 'theme_test'), array());
diff --git a/core/modules/system/tests/modules/url_alter_test/url_alter_test.module b/core/modules/system/tests/modules/url_alter_test/url_alter_test.module
index d7a5879..cdae14d 100644
--- a/core/modules/system/tests/modules/url_alter_test/url_alter_test.module
+++ b/core/modules/system/tests/modules/url_alter_test/url_alter_test.module
@@ -19,7 +19,7 @@ function url_alter_test_menu() {
 }
 
 /**
- * Page callback; Displays current and request paths.
+ * Page callback: Displays current and request paths.
  */
 function url_alter_test_foo() {
   print 'current_path=' . current_path() . ' request_path=' . request_path();