diff --git a/PHPCI/Controller/WebhookController.php b/PHPCI/Controller/WebhookController.php
index f9a764ca..c448f163 100644
--- a/PHPCI/Controller/WebhookController.php
+++ b/PHPCI/Controller/WebhookController.php
@@ -170,7 +170,7 @@ class WebhookController extends \b8\Controller
     protected function githubCommitRequest(Project $project, array $payload)
     {
         // Github sends a payload when you close a pull request with a
-        // non-existant commit. We don't want this.
+        // non-existent commit. We don't want this.
         if (array_key_exists('after', $payload) && $payload['after'] === '0000000000000000000000000000000000000000') {
             return array('status' => 'ignored');
         }
diff --git a/PHPCI/Helper/AnsiConverter.php b/PHPCI/Helper/AnsiConverter.php
index a5e42269..7df6663c 100644
--- a/PHPCI/Helper/AnsiConverter.php
+++ b/PHPCI/Helper/AnsiConverter.php
@@ -21,7 +21,7 @@ final class AnsiConverter
     static private $converter = null;
 
     /**
-     * Initialize the singletion.
+     * Initialize the singleton.
      *
      * @return AnsiToHtmlConverter
      */
@@ -35,7 +35,7 @@ final class AnsiConverter
     }
 
     /**
-     * Convert a text containing ANSI colr sequences into HTML code.
+     * Convert a text containing ANSI color sequences into HTML code.
      *
      * @param string $text The text to convert
      *
@@ -47,7 +47,7 @@ final class AnsiConverter
     }
 
     /**
-     * Do not instanciate this class.
+     * Do not instantiate this class.
      */
     private function __construct()
     {
diff --git a/PHPCI/Helper/LoginIsDisabled.php b/PHPCI/Helper/LoginIsDisabled.php
index 437b95cd..ec23858c 100644
--- a/PHPCI/Helper/LoginIsDisabled.php
+++ b/PHPCI/Helper/LoginIsDisabled.php
@@ -12,7 +12,7 @@ namespace PHPCI\Helper;
 use b8\Config;
 
 /**
-* Login Is Disabled Helper - Checks if login is disalbed in the view
+* Login Is Disabled Helper - Checks if login is disabled in the view
 * @author       Stephen Ball <phpci@stephen.rebelinblue.com>
 * @package      PHPCI
 * @subpackage   Web
diff --git a/PHPCI/Languages/lang.da.php b/PHPCI/Languages/lang.da.php
index 72959d12..d7a0df59 100644
--- a/PHPCI/Languages/lang.da.php
+++ b/PHPCI/Languages/lang.da.php
@@ -204,7 +204,7 @@ Services</a> sektionen under dit Bitbucket-repository.',
     'build_finished' => 'Build Afsluttet',
     'test_message' => 'Message',
     'test_no_message' => 'No message',
-    'test_success' => 'Succesfull: %d',
+    'test_success' => 'Successful: %d',
     'test_fail' => 'Failures: %d',
     'test_skipped' => 'Skipped: %d',
     'test_error' => 'Errors: %d',
diff --git a/PHPCI/Languages/lang.de.php b/PHPCI/Languages/lang.de.php
index cb45f3a9..cb7e3336 100644
--- a/PHPCI/Languages/lang.de.php
+++ b/PHPCI/Languages/lang.de.php
@@ -211,7 +211,7 @@ generiert. Um es zu verwenden, fügen Sie einfach den folgenden Public Key im Ab
     'build_finished' => 'Build abgeschlossen',
     'test_message' => 'Message',
     'test_no_message' => 'No message',
-    'test_success' => 'Succesfull: %d',
+    'test_success' => 'Successful: %d',
     'test_fail' => 'Failures: %d',
     'test_skipped' => 'Skipped: %d',
     'test_error' => 'Errors: %d',
diff --git a/PHPCI/Languages/lang.el.php b/PHPCI/Languages/lang.el.php
index 2d988ca0..45ee4bee 100644
--- a/PHPCI/Languages/lang.el.php
+++ b/PHPCI/Languages/lang.el.php
@@ -205,7 +205,7 @@ Services</a> του Bitbucket αποθετηρίου σας.',
     'build_finished' => 'Η κατασκευή ολοκληρώθηκε',
     'test_message' => 'Message',
     'test_no_message' => 'No message',
-    'test_success' => 'Succesfull: %d',
+    'test_success' => 'Successful: %d',
     'test_fail' => 'Failures: %d',
     'test_skipped' => 'Skipped: %d',
     'test_error' => 'Errors: %d',
diff --git a/PHPCI/Languages/lang.en.php b/PHPCI/Languages/lang.en.php
index 72f981e2..68ebd997 100644
--- a/PHPCI/Languages/lang.en.php
+++ b/PHPCI/Languages/lang.en.php
@@ -214,7 +214,7 @@ PHPCI',
     'build_finished' => 'Build Finished',
     'test_message' => 'Message',
     'test_no_message' => 'No message',
-    'test_success' => 'Succesfull: %d',
+    'test_success' => 'Successful: %d',
     'test_fail' => 'Failures: %d',
     'test_skipped' => 'Skipped: %d',
     'test_error' => 'Errors: %d',
diff --git a/PHPCI/Languages/lang.it.php b/PHPCI/Languages/lang.it.php
index 2c7bbea3..d254fbcd 100644
--- a/PHPCI/Languages/lang.it.php
+++ b/PHPCI/Languages/lang.it.php
@@ -207,7 +207,7 @@ PHPCI',
     'build_finished' => 'Build Terminata',
     'test_message' => 'Message',
     'test_no_message' => 'No message',
-    'test_success' => 'Succesfull: %d',
+    'test_success' => 'Successful: %d',
     'test_fail' => 'Failures: %d',
     'test_skipped' => 'Skipped: %d',
     'test_error' => 'Errors: %d',
diff --git a/PHPCI/Languages/lang.nl.php b/PHPCI/Languages/lang.nl.php
index 1f46eb71..96d9f5d5 100644
--- a/PHPCI/Languages/lang.nl.php
+++ b/PHPCI/Languages/lang.nl.php
@@ -205,7 +205,7 @@ Services</a> sectie van je Bitbucket repository toegevoegd worden.',
     'build_finished' => 'Build beëindigd',
     'test_message' => 'Message',
     'test_no_message' => 'No message',
-    'test_success' => 'Succesfull: %d',
+    'test_success' => 'Successful: %d',
     'test_fail' => 'Failures: %d',
     'test_skipped' => 'Skipped: %d',
     'test_error' => 'Errors: %d',
diff --git a/PHPCI/Languages/lang.pl.php b/PHPCI/Languages/lang.pl.php
index 7e35056c..837fea6e 100644
--- a/PHPCI/Languages/lang.pl.php
+++ b/PHPCI/Languages/lang.pl.php
@@ -208,7 +208,7 @@ Services</a> repozytoria Bitbucket.',
     'build_finished' => 'Budowanie Zakończone',
     'test_message' => 'Message',
     'test_no_message' => 'No message',
-    'test_success' => 'Succesfull: %d',
+    'test_success' => 'Successful: %d',
     'test_fail' => 'Failures: %d',
     'test_skipped' => 'Skipped: %d',
     'test_error' => 'Errors: %d',
diff --git a/PHPCI/Languages/lang.ru.php b/PHPCI/Languages/lang.ru.php
index 68f52e16..08358b14 100644
--- a/PHPCI/Languages/lang.ru.php
+++ b/PHPCI/Languages/lang.ru.php
@@ -203,7 +203,7 @@ PHPCI',
     'build_finished' => 'Сборка окончена',
     'test_message' => 'Message',
     'test_no_message' => 'No message',
-    'test_success' => 'Succesfull: %d',
+    'test_success' => 'Successful: %d',
     'test_fail' => 'Failures: %d',
     'test_skipped' => 'Skipped: %d',
     'test_error' => 'Errors: %d',
diff --git a/PHPCI/Languages/lang.uk.php b/PHPCI/Languages/lang.uk.php
index 7071f059..54ced220 100644
--- a/PHPCI/Languages/lang.uk.php
+++ b/PHPCI/Languages/lang.uk.php
@@ -205,7 +205,7 @@ PHPCI',
     'build_finished' => 'Збірка завершена',
     'test_message' => 'Message',
     'test_no_message' => 'No message',
-    'test_success' => 'Succesfull: %d',
+    'test_success' => 'Successful: %d',
     'test_fail' => 'Failures: %d',
     'test_skipped' => 'Skipped: %d',
     'test_error' => 'Errors: %d',
diff --git a/PHPCI/Plugin/Email.php b/PHPCI/Plugin/Email.php
index c2638860..8faa5bb7 100644
--- a/PHPCI/Plugin/Email.php
+++ b/PHPCI/Plugin/Email.php
@@ -134,7 +134,7 @@ class Email implements \PHPCI\Plugin
      * Send an email to a list of specified subjects.
      *
      * @param array $toAddresses
-     *   List of destinatary of message.
+     *   List of destination addresses for message.
      * @param string $subject
      *   Mail subject
      * @param string $body
diff --git a/PHPCI/Plugin/PhpCpd.php b/PHPCI/Plugin/PhpCpd.php
index 6433308f..953c3ea7 100644
--- a/PHPCI/Plugin/PhpCpd.php
+++ b/PHPCI/Plugin/PhpCpd.php
@@ -28,7 +28,7 @@ class PhpCpd implements \PHPCI\Plugin
 
     /**
      * @var string, based on the assumption the root may not hold the code to be
-     * tested, exteds the base path
+     * tested, extends the base path
      */
     protected $path;
 
diff --git a/PHPCI/Plugin/PhpMessDetector.php b/PHPCI/Plugin/PhpMessDetector.php
index b02f5f09..4d075fda 100644
--- a/PHPCI/Plugin/PhpMessDetector.php
+++ b/PHPCI/Plugin/PhpMessDetector.php
@@ -38,7 +38,7 @@ class PhpMessDetector implements PHPCI\Plugin, PHPCI\ZeroConfigPlugin
 
     /**
      * @var string, based on the assumption the root may not hold the code to be
-     * tested, exteds the base path only if the provided path is relative. Absolute
+     * tested, extends the base path only if the provided path is relative. Absolute
      * paths are used verbatim
      */
     protected $path;
@@ -50,7 +50,7 @@ class PhpMessDetector implements PHPCI\Plugin, PHPCI\ZeroConfigPlugin
 
     /**
      * Array of PHPMD rules. Can be one of the builtins (codesize, unusedcode, naming, design, controversial)
-     * or a filenname (detected by checking for a / in it), either absolute or relative to the project root.
+     * or a filename (detected by checking for a / in it), either absolute or relative to the project root.
      * @var array
      */
     protected $rules;
diff --git a/PHPCI/Plugin/Util/TapParser.php b/PHPCI/Plugin/Util/TapParser.php
index 451b73f0..b48f6f00 100644
--- a/PHPCI/Plugin/Util/TapParser.php
+++ b/PHPCI/Plugin/Util/TapParser.php
@@ -74,7 +74,7 @@ class TapParser
 
         $line = $this->nextLine();
         if ($line === $header) {
-            throw new Exception("Duplicated TAP log, please check the configration.");
+            throw new Exception("Duplicated TAP log, please check the configuration.");
         }
 
         while ($line !== false && ($this->testCount === false || count($this->results) < $this->testCount)) {
@@ -97,7 +97,7 @@ class TapParser
      */
     protected function findTapLog()
     {
-        // Look for the beggning of the TAP output
+        // Look for the beginning of the TAP output
         do {
             $header = $this->nextLine();
         } while ($header !== false && substr($header, 0, 12) !== 'TAP version ');
diff --git a/PHPCI/ProcessControl/PosixProcessControl.php b/PHPCI/ProcessControl/PosixProcessControl.php
index 710ba9f1..bac55ee2 100644
--- a/PHPCI/ProcessControl/PosixProcessControl.php
+++ b/PHPCI/ProcessControl/PosixProcessControl.php
@@ -31,7 +31,7 @@ class PosixProcessControl implements ProcessControlInterface
      * Sends a TERMINATE or KILL signal to the process using posix_kill.
      *
      * @param int $pid
-     * @param bool $forcefully Whetehr to send TERMINATE (false) or KILL (true).
+     * @param bool $forcefully Whether to send TERMINATE (false) or KILL (true).
      */
     public function kill($pid, $forcefully = false)
     {
diff --git a/Tests/PHPCI/Command/CreateBuildCommandTest.php b/Tests/PHPCI/Command/CreateBuildCommandTest.php
index 59395de5..e82ae517 100644
--- a/Tests/PHPCI/Command/CreateBuildCommandTest.php
+++ b/Tests/PHPCI/Command/CreateBuildCommandTest.php
@@ -78,7 +78,7 @@ class CreateBuildCommandTest extends \PHPUnit_Framework_TestCase
     /**
      * @expectedException \InvalidArgumentException
      */
-    public function testExecuteWithUnknowProjectId()
+    public function testExecuteWithUnknownProjectId()
     {
         $commandTester = $this->getCommandTester();
         $commandTester->execute(array('projectId' => 2));
diff --git a/Tests/PHPCI/Command/InstallCommandTest.php b/Tests/PHPCI/Command/InstallCommandTest.php
index 73b83462..040a4803 100644
--- a/Tests/PHPCI/Command/InstallCommandTest.php
+++ b/Tests/PHPCI/Command/InstallCommandTest.php
@@ -175,7 +175,7 @@ class InstallCommandTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('testedvalue', $this->config['b8']['database']['name']);
     }
 
-    public function testDatabaseUserameConfig()
+    public function testDatabaseUserConfig()
     {
         $dialog = $this->getDialogHelperMock();
 
@@ -243,7 +243,7 @@ class InstallCommandTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('test@phpci.com', $this->admin['mail']);
     }
 
-    public function testAdminUserameConfig()
+    public function testAdminNameConfig()
     {
         $dialog = $this->getDialogHelperMock();
 
diff --git a/Tests/PHPCI/Plugin/EmailTest.php b/Tests/PHPCI/Plugin/EmailTest.php
index bb039ca4..0787d41d 100644
--- a/Tests/PHPCI/Plugin/EmailTest.php
+++ b/Tests/PHPCI/Plugin/EmailTest.php
@@ -236,11 +236,11 @@ class EmailTest extends \PHPUnit_Framework_TestCase
     /**
      * @covers PHPUnit::execute
      */
-    public function testExecute_UniqueRecipientsWithCommiter()
+    public function testExecute_UniqueRecipientsWithCommitter()
     {
         $this->loadEmailPluginWithOptions(
             array(
-                'commiter'  => true,
+                'committer'  => true,
                 'addresses' => array('test-receiver@example.com', 'committer@test.com')
             )
         );
diff --git a/Tests/PHPCI/Plugin/Util/FilesPluginInformationTest.php b/Tests/PHPCI/Plugin/Util/FilesPluginInformationTest.php
index 1b674e9c..4af2d7a6 100644
--- a/Tests/PHPCI/Plugin/Util/FilesPluginInformationTest.php
+++ b/Tests/PHPCI/Plugin/Util/FilesPluginInformationTest.php
@@ -15,7 +15,7 @@ use PHPCI\Plugin\Util\FilesPluginInformation;
 class FilesPluginInformationTest extends \PHPUnit_Framework_TestCase
 {
 
-    public function testGetInstalledPlugins_returnsObjectes()
+    public function testGetInstalledPlugins_returnsObjects()
     {
         $pluginDirPath = realpath(__DIR__ . "/../../../../PHPCI/Plugin/");
         $test = FilesPluginInformation::newFromDir($pluginDirPath);
diff --git a/bootstrap.php b/bootstrap.php
index ef1fe197..ebecad81 100644
--- a/bootstrap.php
+++ b/bootstrap.php
@@ -65,7 +65,7 @@ if (file_exists($configFile)) {
 
 /**
  * Allow to modify PHPCI configuration without modify versioned code.
- * Dameons should be killed to apply changes in the file.
+ * Daemons should be killed to apply changes in the file.
  *
  * @ticket 781
  */