Refer to bug #402167 where appropriate.
diff --git a/man/repoman.1 b/man/repoman.1
index 4305ce7..49e5afa 100644
--- a/man/repoman.1
+++ b/man/repoman.1
@@ -147,7 +147,7 @@
 .TP
 .B EAPI.definition
 EAPI definition does not conform to PMS section 7.3.1 (first
-non\-comment, non\-blank line)
+non\-comment, non\-blank line). See bug #402167.
 .TP
 .B EAPI.deprecated
 Ebuilds that use features that are deprecated in the current EAPI
diff --git a/pym/portage/package/ebuild/_eapi_invalid.py b/pym/portage/package/ebuild/_eapi_invalid.py
index 50a6978..1ee8a8b 100644
--- a/pym/portage/package/ebuild/_eapi_invalid.py
+++ b/pym/portage/package/ebuild/_eapi_invalid.py
@@ -12,7 +12,7 @@
 
 	msg = []
 	msg.extend(textwrap.wrap(("EAPI assignment in ebuild '%s%s%s' does not"
-		" conform with PMS section 7.3.1:") %
+		" conform with PMS section 7.3.1 (see bug #402167):") %
 		(cpv, _repo_separator, repo_name), 70))
 
 	if not eapi_parsed: