diff --git a/core/lib/Drupal/Component/Diff/Diff.php b/core/lib/Drupal/Component/Diff/Diff.php
index c70c417a8c48a3f6135ce8c1ffb71c6a1b7d4afd..8135b1582563d793c8780307a879291901251676 100644
--- a/core/lib/Drupal/Component/Diff/Diff.php
+++ b/core/lib/Drupal/Component/Diff/Diff.php
@@ -27,9 +27,11 @@ class Diff {
    * Constructor.
    * Computes diff between sequences of strings.
    *
-   * @param $from_lines array An array of strings.
-   *      (Typically these are lines from a file.)
-   * @param $to_lines array An array of strings.
+   * @param array $from_lines
+   *   An array of strings.
+   *   (Typically these are lines from a file.)
+   * @param array $to_lines
+   *   An array of strings.
    */
   public function __construct($from_lines, $to_lines) {
     $eng = new DiffEngine();
diff --git a/core/lib/Drupal/Component/Diff/MappedDiff.php b/core/lib/Drupal/Component/Diff/MappedDiff.php
index d49cc0df6227d6924b0112ec3923ceec81eddefa..32b38995d762239333a333ea5d929aeb6b0ec843 100644
--- a/core/lib/Drupal/Component/Diff/MappedDiff.php
+++ b/core/lib/Drupal/Component/Diff/MappedDiff.php
@@ -19,16 +19,17 @@ class MappedDiff extends Diff {
    * case-insensitive diffs, or diffs which ignore
    * changes in white-space.
    *
-   * @param $from_lines array An array of strings.
+   * @param array $from_lines
+   *   An array of strings.
    *   (Typically these are lines from a file.)
-   * @param $to_lines array An array of strings.
-   * @param $mapped_from_lines array This array should
-   *   have the same size number of elements as $from_lines.
-   *   The elements in $mapped_from_lines and
-   *   $mapped_to_lines are what is actually compared
-   *   when computing the diff.
-   * @param $mapped_to_lines array This array should
-   *   have the same number of elements as $to_lines.
+   * @param array $to_lines
+   *   An array of strings.
+   * @param array $mapped_from_lines
+   *   This array should have the same size number of elements as $from_lines.
+   *   The elements in $mapped_from_lines and $mapped_to_lines are what is
+   *   actually compared when computing the diff.
+   * @param array $mapped_to_lines
+   *    This array should have the same number of elements as $to_lines.
    */
   public function __construct($from_lines, $to_lines, $mapped_from_lines, $mapped_to_lines) {
 
diff --git a/core/modules/system/src/Tests/Session/SessionTest.php b/core/modules/system/src/Tests/Session/SessionTest.php
index fcadd42b91ea2cb6cc595997698d09183b730715..1be9561b36f75f3d5ad3d167871ee51b677a1a40 100644
--- a/core/modules/system/src/Tests/Session/SessionTest.php
+++ b/core/modules/system/src/Tests/Session/SessionTest.php
@@ -282,7 +282,8 @@ public function testEmptySessionID() {
   /**
    * Reset the cookie file so that it refers to the specified user.
    *
-   * @param $uid User id to set as the active session.
+   * @param $uid
+   *   User id to set as the active session.
    */
   public function sessionReset($uid = 0) {
     // Close the internal browser.
diff --git a/core/phpcs.xml.dist b/core/phpcs.xml.dist
index 3ec3e1df1dee988231bf62d29d33083cf4f6a665..45dbe153e58bced260556c06f949f95789fcefe3 100644
--- a/core/phpcs.xml.dist
+++ b/core/phpcs.xml.dist
@@ -56,7 +56,6 @@
     <exclude name="Drupal.Commenting.FunctionComment.MissingReturnType"/>
     <exclude name="Drupal.Commenting.FunctionComment.ParamCommentFullStop"/>
     <exclude name="Drupal.Commenting.FunctionComment.ParamCommentIndentation"/>
-    <exclude name="Drupal.Commenting.FunctionComment.ParamCommentNewLine"/>
     <exclude name="Drupal.Commenting.FunctionComment.ParamCommentNotCapital"/>
     <exclude name="Drupal.Commenting.FunctionComment.ParamMissingDefinition"/>
     <exclude name="Drupal.Commenting.FunctionComment.ParamNameNoMatch"/>