diff --git a/cfengine.spec b/cfengine.spec
index aa9a329..0d3586f 100644
--- a/cfengine.spec
+++ b/cfengine.spec
@@ -31,6 +31,7 @@ Version:        3.4.0
 Release:        0
 Url:            http://www.cfengine.org/
 Source:         %{name}-%{version}.tar.bz2
+# fix possible buffer overflows, reported upstream, kkaempf@suse.de
 Patch:          %{name}-%{version}.patch
 Source1:        http://www.cfengine.org/manuals/cf3-Reference.pdf
 Source2:        http://www.cfengine.org/manuals/cf3-conceptguide.pdf