core/lib/Drupal/Core/Asset/LibraryDiscovery.php    |    4 ++--
 .../Core/Asset/LibraryDiscoveryInterface.php       |   20 +++++++++---------
 .../Tests/Core/Asset/LibraryDiscoveryTest.php      |   22 ++++++++++----------
 3 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/core/lib/Drupal/Core/Asset/LibraryDiscovery.php b/core/lib/Drupal/Core/Asset/LibraryDiscovery.php
index 9025788..d53f630 100644
--- a/core/lib/Drupal/Core/Asset/LibraryDiscovery.php
+++ b/core/lib/Drupal/Core/Asset/LibraryDiscovery.php
@@ -16,12 +16,12 @@
 
 
 /**
- * Discovers available libraries in drupal.
+ * Discovers available libraries in Drupal.
  */
 class LibraryDiscovery implements LibraryDiscoveryInterface {
 
   /**
-   * Stores the library information keyed by extension
+   * Stores the library information keyed by extension.
    *
    * @var array
    */
diff --git a/core/lib/Drupal/Core/Asset/LibraryDiscoveryInterface.php b/core/lib/Drupal/Core/Asset/LibraryDiscoveryInterface.php
index da4dc50..402b7d3 100644
--- a/core/lib/Drupal/Core/Asset/LibraryDiscoveryInterface.php
+++ b/core/lib/Drupal/Core/Asset/LibraryDiscoveryInterface.php
@@ -8,16 +8,16 @@
 namespace Drupal\Core\Asset;
 
 /**
- * Discovers information for javascript/CSS libraries.
+ * Discovers information for CSS/JavaScript libraries.
  *
- * Library information is statically cached. Libraries are keyed by module for
- * several reasons:
- * - Libraries are not unique. Multiple modules might ship with the same library
- *   in a different version or variant. This registry cannot (and does not
- *   attempt to) prevent library conflicts.
- * - Modules implementing and thereby depending on a library that is registered
- *   by another module can only rely on that module's library.
- * - Two (or more) modules can still register the same library and use it
+ * Library information is statically cached. Libraries are keyed by extension
+ * for several reasons:
+ * - Libraries are not unique. Multiple extensions might ship with the same
+ *   library in a different version or variant. This registry cannot (and does
+ *   not attempt to) prevent library conflicts.
+ * - Extensions implementing and thereby depending on a library that is
+ *   registered by another extension can only rely on that extension's library.
+ * - Two (or more) extensions can still register the same library and use it
  *   without conflicts in case the libraries are loaded on certain pages only.
  */
 interface LibraryDiscoveryInterface {
@@ -32,7 +32,7 @@
    *   An associative array of libraries registered by $extension is returned
    *   (which may be empty).
    *
-   * @see self::getLibraryByName
+   * @see self::getLibraryByName()
    */
   public function getLibrariesByExtension($extension);
 
diff --git a/core/tests/Drupal/Tests/Core/Asset/LibraryDiscoveryTest.php b/core/tests/Drupal/Tests/Core/Asset/LibraryDiscoveryTest.php
index a13fc1b..cc67cfc 100644
--- a/core/tests/Drupal/Tests/Core/Asset/LibraryDiscoveryTest.php
+++ b/core/tests/Drupal/Tests/Core/Asset/LibraryDiscoveryTest.php
@@ -85,7 +85,7 @@ protected function setUp() {
   }
 
   /**
-   * Ensures that basic functionality works for getLibraryByName.
+   * Tests that basic functionality works for getLibraryByName.
    *
    * @covers ::getLibraryByName()
    */
@@ -110,7 +110,7 @@ public function testGetLibraryByNameSimple() {
   }
 
   /**
-   * Ensures that basic functionality works for getLibrariesByExtension.
+   * Tests that basic functionality works for getLibrariesByExtension.
    *
    * @covers ::getLibrariesByExtension()
    */
@@ -130,7 +130,7 @@ public function testGetLibrariesByExtensionSimple() {
   }
 
   /**
-   * Ensures that a theme can be used instead of a module.
+   * Tests that a theme can be used instead of a module.
    */
   public function testGetLibraryByNameWithTheme() {
     $this->moduleHandler->expects($this->atLeastOnce())
@@ -150,7 +150,7 @@ public function testGetLibraryByNameWithTheme() {
   }
 
   /**
-   * Ensures that a module with a missing library file results in an empty lib.
+   * Tests that a module with a missing library file results in FALSE.
    */
   public function testGetLibraryWithMissingLibraryFile() {
     $this->moduleHandler->expects($this->atLeastOnce())
@@ -167,7 +167,7 @@ public function testGetLibraryWithMissingLibraryFile() {
   }
 
   /**
-   * Ensures that an exception is thrown when a file could not be parsed.
+   * Tests that an exception is thrown when a libraries file couldn't be parsed.
    *
    * @expectedException \RuntimeException
    */
@@ -185,7 +185,7 @@ public function testInvalidLibrariesFile() {
   }
 
   /**
-   * Ensures that an exception is thrown when no css/js/setting is specified.
+   * Tests that an exception is thrown when no CSS/JS/setting is specified.
    *
    * @expectedException \RuntimeException
    * @expectedExceptionMessage Incomplete library definition for 'example' in core/tests/Drupal/Tests/Core/Asset/library_test_files/example_module_missing_information.libraries.yml
@@ -204,7 +204,7 @@ public function testGetLibraryWithMissingInformation() {
   }
 
   /**
-   * Ensures that version of external libraries gets handled.
+   * Tests that the version property of external libraries is handled.
    */
   public function testExternalLibraries() {
     $this->moduleHandler->expects($this->atLeastOnce())
@@ -222,7 +222,7 @@ public function testExternalLibraries() {
   }
 
   /**
-   * Ensures that CSS weights is taken into account properly.
+   * Ensures that CSS weights are taken into account properly.
    */
   public function testDefaultCssWeights() {
     $this->moduleHandler->expects($this->atLeastOnce())
@@ -257,7 +257,7 @@ public function testDefaultCssWeights() {
   }
 
   /**
-   * Ensures that you cannot provide positive weights for css libraries.
+   * Ensures that you cannot provide positive weights for JavaScript libraries.
    *
    * @expectedException \UnexpectedValueException
    */
@@ -275,7 +275,7 @@ public function testJsWithPositiveWeight() {
   }
 
   /**
-   * Tests a library with CSS/JS and a setting.
+   * Tests a library with CSS/JavaScript and a setting.
    */
   public function testLibraryWithCssJsSetting() {
     $this->moduleHandler->expects($this->atLeastOnce())
@@ -289,7 +289,7 @@ public function testLibraryWithCssJsSetting() {
 
     $library = $this->libraryDiscovery->getLibraryByName('css_js_settings', 'example');
 
-    // Ensures that the group and type is set automatically.
+    // Ensures that the group and type are set automatically.
     $this->assertEquals(-100, $library['js'][0]['group']);
     $this->assertEquals('file', $library['js'][0]['type']);
     $this->assertEquals($path . '/js/example.js', $library['js'][0]['data']);