Documentation update.

diff --git a/doc/bird.sgml b/doc/bird.sgml
index a1d3dc2c02f9a37aa9eb856445745df41ee86a43..ac8aab61c5b900b7e4c5e4c8f28efdf2096931a8 100644 (file)
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -332,8 +332,8 @@ protocol rip {
        expression and the name of the template. At the moment templates (and <cf/from/ expression)
        are not implemented for OSPF protocol.
 
-       <tag>define <m/constant/ = (<m/expression/)|<m/number/|<m/IP address/</tag>
-       Define a constant. You can use it later in every place you could use a simple integer or an IP address.
+       <tag>define <m/constant/ = <m/expression/</tag>
+       Define a constant. You can use it later in every place you could use a value of the same type.
        Besides, there are some predefined numeric constants based on /etc/iproute2/rt_* files.
        A list of defined constants can be seen (together with other symbols) using 'show symbols' command.