diff --git a/cfg.mk b/cfg.mk
index cc5ea9ee1d..b277db184a 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -1046,6 +1046,17 @@ sc_gettext_init:
halt='the above files do not call virGettextInitialize' \
$(_sc_search_regexp)
+#
is mostly used to document symbols, in which case it should contain
+# a element. The regular expression below trades speed and readability
+# for accuracy, and won't catch someone trying to stick a