diff --git a/forms/EmailField.php b/forms/EmailField.php
index a6920f381..b1593bcb2 100644
--- a/forms/EmailField.php
+++ b/forms/EmailField.php
@@ -1,54 +1,59 @@
 <?php
+
 /**
- * Text input field with validation for correct email format
- * according to RFC 2822.
- * 
+ * Text input field with validation for correct email format according to RFC 2822.
+ *
  * @package forms
  * @subpackage fields-formattedinput
  */
 class EmailField extends TextField {
-
+	/**
+	 * {@inheritdoc}
+	 */
 	public function Type() {
 		return 'email text';
 	}
 
+	/**
+	 * {@inheritdoc}
+	 */
 	public function getAttributes() {
 		return array_merge(
 			parent::getAttributes(),
 			array(
-				'type' => 'email'
+				'type' => 'email',
 			)
 		);
 	}
 
 	/**
-	 * Validates for RFC 2822 compliant email adresses.
-	 * 
+	 * Validates for RFC 2822 compliant email addresses.
+	 *
 	 * @see http://www.regular-expressions.info/email.html
 	 * @see http://www.ietf.org/rfc/rfc2822.txt
-	 * 
+	 *
 	 * @param Validator $validator
-	 * @return String
+	 *
+	 * @return string
 	 */
 	public function validate($validator) {
 		$this->value = trim($this->value);
 
-		$pcrePattern = '^[a-z0-9!#$%&\'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&\'*+/=?^_`{|}~-]+)*'
-			. '@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$';
+		$pattern = '^[a-z0-9!#$%&\'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&\'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$';
 
-		// PHP uses forward slash (/) to delimit start/end of pattern, so it must be escaped
-		$pregSafePattern = str_replace('/', '\\/', $pcrePattern);
+		// Escape delimiter characters.
+		$safePattern = str_replace('/', '\\/', $pattern);
 
-		if($this->value && !preg_match('/' . $pregSafePattern . '/i', $this->value)){
+		if($this->value && !preg_match('/' . $safePattern . '/i', $this->value)) {
 			$validator->validationError(
 				$this->name,
-				_t('EmailField.VALIDATION', "Please enter an email address"),
-				"validation"
+				_t('EmailField.VALIDATION', 'Please enter an email address'),
+				'validation'
 			);
-			return false;
-		} else{
-			return true;
-		}
-	}
 
+			return false;
+		}
+
+		return true;
+	}
 }