Added descriptive text about copyright of the manual.

Docs/manual.texi

@@ -1356,8 +1356,22 @@ by a Berkeley-style copyright.
 
 @item
 Older versions of MySQL (3.22 and earlier) are subject to a more
-@uref{http://www.mysql.com/support/arrangements/mypl.html, strict license}.
+strict license
+(@uref{http://www.mysql.com/support/arrangements/mypl.html}).
 See the documentation of the specific version for information.
+
+@item
+The manual is not distributed under a GPL/LGPL license, it is
+copyrighted material by MySQL AB. It is distributed electronically
+as part of the MySQL distribution, and may be freely read.
+Conversion to other formats is allowed, but the actual content
+may not be altered or edited in any way.
+You may also create a printed copy for your own personal use.
+For all other uses, such as selling printed copies or using
+(parts of) the manual in another publication, prior written
+agreement from MySQL AB is required.
+Please e-mail @email{docs@@mysql.com} for more information or
+if you are interested in doing a translation.
 @end enumerate
 
 For information about how the MySQL licenses work in practice,