diff --git a/includes/math-expr.inc b/includes/math-expr.inc
index acbdfe9..7a44c18 100644
--- a/includes/math-expr.inc
+++ b/includes/math-expr.inc
@@ -31,33 +31,9 @@
  *     expressions from untrusted sources.  You can define your own variables
  *     and functions, which are stored in the object.  Try it, it's fun!
  *
- * METHODS
- *     $m->evalute($expr)
- *         Evaluates the expression and returns the result.  If an error occurs,
- *         prints a warning and returns false.  If $expr is a function
- *         assignment, returns true on success.
- *
- *     $m->e($expr)
- *          A synonym for $m->evaluate().
- *
- *     $m->vars()
- *         Returns an associative array of all user-defined variables and
- *         values.
- *
- *     $m->funcs()
- *         Returns an array of all user-defined functions.
- *
- * PARAMETERS
- *     $m->suppress_errors
- *         Set to true to turn off warnings when evaluating expressions
- *
- *     $m->last_error
- *         If the last evaluation failed, contains a string describing the
- *         error.
- *         (Useful when suppress_errors is on).
- *
  * AUTHOR INFORMATION
  *     Copyright 2005, Miles Kaufmann.
+ *     Enhancements, 2005 onwards, Drupal Community.
  *
  * LICENSE
  *     Redistribution and use in source and binary forms, with or without