diff --git a/avogadro.spec b/avogadro.spec
index 78967b1..f5a0177 100644
--- a/avogadro.spec
+++ b/avogadro.spec
@@ -109,7 +109,7 @@ rm -rf $RPM_BUILD_ROOT
 
 %changelog
 * Mon Nov 16 2009 Rex Dieter <rdieter@fedoraproject.org> - 1.0.0-2 
-- -libs: Requires: sip-api(%%_sip_api_major) >= %%_sip_api
+- -libs: Requires: sip-api(%%_sip_api_major) >= %%_sip_api (#538124)
 - Requires: %%{name}-libs ...
 
 * Thu Oct 29 2009 Sebastian Dziallas <sebastian@when.com> 1.0.0-1