diff --git a/plexus-cipher.spec b/plexus-cipher.spec
index f90b618..e0c3bdc 100644
--- a/plexus-cipher.spec
+++ b/plexus-cipher.spec
@@ -45,6 +45,7 @@ API documentation for %{name}.
 %mvn_file : plexus/%{name}
 
 %build
+# Tests depend on sisu-guice
 %mvn_build -f
 
 %install