diff --git a/console.php b/console.php
index f612ee9..6d4d030 100644
--- a/console.php
+++ b/console.php
@@ -708,12 +708,14 @@ class console
   // }}}
 
   /** Call a specific function when a completion key is pressed
+    * The function must get the partial text as first parameter, and must return
+    * an array with the possibilities
+    * If only one possibility is returned, the console will be immediately
+    * updated.
     * @param string|bool $completionKeys The list of the completion keys. False
     * unset the method
     * @param callable $completionFunction The function called when one of the
     * completion keys is pressed.
-    * The function must get the partial text as first parameter, and must return
-    * an array with the possibilities
     */
   public function completeFunction ($completionKeys, $completionFunction)
   // {{{
@@ -920,10 +922,10 @@ class console
   // {{{
   {
     if ($bold === false)
-      $bold = 2;
+      $bold = 0;
     else
-      $bold = "";
-    echo "\033[${bold}1m";
+      $bold = 1;
+    echo "\033[${bold}m";
   }
   // }}}
 
@@ -933,7 +935,7 @@ class console
     * @param string $line The line to tokenize
     * @return array The tokens
     */
-  public function tokenize ($line)
+  static public function tokenize ($line)
   // {{{
   {
     $tokens = array ();