Document --disable-caps option

diff --git a/doc/release-notes/release-3.1.sgml b/doc/release-notes/release-3.1.sgml
index 85fcc29fa33bfb8f495b9a10739c87359c36d5a8..eebf54d64c190f1656c98c34a9e925cb0ef4fa3f 100644 (file)
--- a/doc/release-notes/release-3.1.sgml
+++ b/doc/release-notes/release-3.1.sgml
@@ -1455,6 +1455,11 @@ This section gives an account of those changes in three categories:
        <p>Disable error page localization for visitors.
        <p>error_directory option is required if this option is used.
 
+       <tag>--disable-caps</tag>
+       <p>Build without libcap support. The default is to auto-detect system capabilities
+          and enable support when possible.
+       <p>NOTE: Disabling this or building without libcap support will break TPROXY support.
+
        <tag>--disable-ipv6</tag>
        <p>Build without IPv6 support. The default is to auto-detect system capabilities
           and build with IPv6 when possible.