diff --git a/src/wp-admin/includes/misc.php b/src/wp-admin/includes/misc.php
index 6e47d9d427..7b710cb047 100644
--- a/src/wp-admin/includes/misc.php
+++ b/src/wp-admin/includes/misc.php
@@ -58,8 +58,8 @@ function got_url_rewrite() {
  *
  * @since 1.5.0
  *
- * @param unknown_type $filename
- * @param unknown_type $marker
+ * @param string $filename
+ * @param string $marker
  * @return array An array of strings from a file (.htaccess ) from between BEGIN and END markers.
  */
 function extract_from_markers( $filename, $marker ) {
@@ -94,9 +94,9 @@ function extract_from_markers( $filename, $marker ) {
  *
  * @since 1.5.0
  *
- * @param unknown_type $filename
- * @param unknown_type $marker
- * @param unknown_type $insertion
+ * @param string $filename
+ * @param string $marker
+ * @param array  $insertion
  * @return bool True on write success, false on failure.
  */
 function insert_with_markers( $filename, $marker, $insertion ) {
@@ -211,7 +211,7 @@ function iis7_save_url_rewrite_rules(){
  *
  * @since 1.5.0
  *
- * @param unknown_type $file
+ * @param string $file
  */
 function update_recently_edited( $file ) {
 	$oldfiles = (array ) get_option( 'recently_edited' );
@@ -294,7 +294,7 @@ function wp_reset_vars( $vars ) {
  *
  * @since 2.1.0
  *
- * @param unknown_type $message
+ * @param string|WP_Error $message
  */
 function show_message($message) {
 	if ( is_wp_error($message) ){