Fixed some typos in core.php

In sync with this one #1244

lib/Cake/Console/Templates/skel/Config/core.php

@@ -203,7 +203,7 @@
 
 /**
  * Apply timestamps with the last modified time to static assets (js, css, images).
- * Will append a querystring parameter containing the time the file was modified. This is
+ * Will append a query string parameter containing the time the file was modified. This is
  * useful for invalidating browser caches.
  *
  * Set to `true` to apply timestamps when debug > 0. Set to 'force' to always enable
@@ -229,7 +229,7 @@
 	//Configure::write('Asset.filter.js', 'custom_javascript_output_filter.php');
 
 /**
- * The classname and database used in CakePHP's
+ * The class name and database used in CakePHP's
  * access control lists.
  */
 	Configure::write('Acl.classname', 'DbAcl');
@@ -309,7 +309,7 @@
  * By default File is used, but for improved performance you should use APC.
  *
  * Note: 'default' and other application caches should be configured in app/Config/bootstrap.php.
- *       Please check the comments in boostrap.php for more info on the cache engines available
+ *       Please check the comments in bootstrap.php for more info on the cache engines available
  *       and their settings.
  */
 $engine = 'File';