diff --git a/NEWS b/NEWS
index b84a19a7..a4c3d59c 100644
--- a/NEWS
+++ b/NEWS
@@ -11,7 +11,8 @@ NEWS ( CHANGELOG and HISTORY )                                     HTMLPurifier
 
 2.1.0, unknown release date
 # flush-htmldefinition-cache.php superseded in favor of a generic
-  flush-definition-cache.php script
+  flush-definition-cache.php script, you can clear a specific cache
+  by passing its name as a parameter to the script
 ! Phorum mod implemented for HTML Purifier
 ! With %Core.AggressivelyFixLt, <3 and similar emoticons no longer
   trigger HTML removal in PHP5 (DOMLex). This directive is not necessary
diff --git a/maintenance/flush-definition-cache.php b/maintenance/flush-definition-cache.php
old mode 100644
new mode 100755
index 921a00c2..2b1567d1
--- a/maintenance/flush-definition-cache.php
+++ b/maintenance/flush-definition-cache.php
@@ -3,6 +3,8 @@
 
 /**
  * Flushes the default HTMLDefinition serial cache
+ * @param Accepts one argument, cache type to flush; otherwise flushes all
+ *      the caches.
  */
 
 if (php_sapi_name() != 'cli') {
@@ -16,8 +18,16 @@ require_once(dirname(__FILE__) . '/../library/HTMLPurifier.auto.php');
 
 $config = HTMLPurifier_Config::createDefault();
 
-//$names = array('HTML', 'CSS', 'URI', 'Test');
-$names = array('URI');
+$names = array('HTML', 'CSS', 'URI', 'Test');
+if (isset($argv[1])) {
+    if (in_array($argv[1], $names)) {
+        $names = array($argv[1]);
+    } else {
+        echo "Did not recognized cache parameter {$argv[1]} as valid cache, aborting.\n";
+        exit;
+    }
+}
+
 foreach ($names as $name) {
     echo " - Flushing $name\n";
     $cache = new HTMLPurifier_DefinitionCache_Serializer($name);
diff --git a/maintenance/generate-entity-file.php b/maintenance/generate-entity-file.php
old mode 100644
new mode 100755
diff --git a/maintenance/merge-library.php b/maintenance/merge-library.php
old mode 100644
new mode 100755
diff --git a/tests/index.php b/tests/index.php
old mode 100644
new mode 100755