diff --git a/core/modules/number/lib/Drupal/number/Tests/NumberFieldTest.php b/core/modules/number/lib/Drupal/number/Tests/NumberFieldTest.php
index db33cd4..ad947e4 100644
--- a/core/modules/number/lib/Drupal/number/Tests/NumberFieldTest.php
+++ b/core/modules/number/lib/Drupal/number/Tests/NumberFieldTest.php
@@ -170,7 +170,7 @@ function testNumberIntegerField() {
     );
     $this->drupalPost(NULL, $edit, t('Save'));
 
-    //Add prefix and suffix for the newly-created field
+    // Add prefix and suffix for the newly-created field.
     $prefix = $this->randomName();
     $suffix = $this->randomName();
     $edit = array(
@@ -179,7 +179,7 @@ function testNumberIntegerField() {
     );
     $this->drupalPost("admin/structure/types/manage/$type/fields/node.$type.field_$field_name", $edit, t('Save settings'));
 
-    // Set the formatter to "number_integer" and to "unformatted", and just
+    // Set the formatter to "unformatted" and to "number_integer", and just
     // check that the settings summary does not generate warnings.
     $this->drupalGet("admin/structure/types/manage/$type/display");
     $edit = array(
@@ -191,12 +191,10 @@ function testNumberIntegerField() {
     );
     $this->drupalPost(NULL, $edit, t('Save'));
 
-    // Set display prefix and suffix properties to true.
+    // Configure the formatter to display the prefix and suffix.
     $this->drupalPostAJAX(NULL, array(), "field_${field_name}_settings_edit");
-
     $edit = array("fields[field_${field_name}][settings_edit_form][settings][prefix_suffix]" => TRUE);
     $this->drupalPostAJAX(NULL, $edit, "field_${field_name}_plugin_settings_update");
-
     $this->drupalPost(NULL, array(), t('Save'));
 
     // Create new content and check that prefix and suffix are shown.