spelling fixes

lib/dtl/database_importer.php

@@ -66,7 +66,7 @@ class database_importer {
      * Object constructor.
      *
      * @param moodle_database $mdb Connection to the target database (a
-     * @see moodle_database object). Use null to use the curent $DB connection.
+     * @see moodle_database object). Use null to use the current $DB connection.
      * @param boolean $check_schema - whether or not to check that XML database
      * schema matches the RDBMS database schema before importing (inside
      * @see begin_database_import).

lib/dtl/xml_database_exporter.php

@@ -29,7 +29,7 @@ defined('MOODLE_INTERNAL') || die();
 
 /**
  * XML format exporter class.
- * Provides logic for writing XML tags and data inside appropiate callbacks.
+ * Provides logic for writing XML tags and data inside appropriate callbacks.
  * Subclasses should define XML data sinks.
  */
 abstract class xml_database_exporter extends database_exporter {