diff --git a/MD_JAIL.php b/MD_JAIL.php
index d1ba860..624e8f2 100644
--- a/MD_JAIL.php
+++ b/MD_JAIL.php
@@ -178,7 +178,7 @@ final class MD_JAIL {
      *
      * @return void
      */
-     private function _apply_basedir_restriction():void {
+    private function _apply_basedir_restriction():void {
 
         if (empty($this->_open_basedir)) {
             throw new MDJailSecurityOptionNotSetException("It has not been specified, which memory limit the script should hold. Set MD_JAIL->open_basedir = string.");
@@ -187,7 +187,7 @@ final class MD_JAIL {
             throw new Exception('Failed to set open_basedir restrictions');
         }
 
-     }
+    }
 
     /**
      * Enforces security options previously set.
@@ -233,6 +233,9 @@ final class MD_JAIL {
 
     }
 
+    /**
+     * Destructor. Throws an exception if the settings have not been set.
+     */
     public function __destruct() {
 
         if ($this->_status !== self::STATUS_SPECIFIED) {
@@ -255,6 +258,5 @@ final class MD_JAIL {
         }
 
     }
-
 }
 
diff --git a/MD_STD_IN.php b/MD_STD_IN.php
index e1a82c5..e68c575 100644
--- a/MD_STD_IN.php
+++ b/MD_STD_IN.php
@@ -9,7 +9,6 @@ declare(strict_types = 1);
  * functions.
  */
 final class MD_STD_IN {
-
     /**
      * Validates and sanitizes input integers to be in line with MySQL
      * autoincrement IDs.
@@ -231,5 +230,4 @@ final class MD_STD_IN {
         throw new MDgenericInvalidInputsException("ISBNs must be either 10 or 13 characters long.");
 
     }
-
 }
diff --git a/exceptions/MDJailSecurityOptionNotSetException.php b/exceptions/MDJailSecurityOptionNotSetException.php
index eaa33e8..4b33d37 100644
--- a/exceptions/MDJailSecurityOptionNotSetException.php
+++ b/exceptions/MDJailSecurityOptionNotSetException.php
@@ -5,7 +5,6 @@ declare(strict_types = 1);
  * Exception thrown by MDJail if a required security option has not been set.
  */
 final class MDJailSecurityOptionNotSetException extends Exception {
-
     /**
      * Error message.
      *
@@ -17,5 +16,4 @@ final class MDJailSecurityOptionNotSetException extends Exception {
         return $errorMsg;
 
     }
-
 }