diff --git a/toolchains/xslt-M4/validate/metaschema-composition-check.sch b/toolchains/xslt-M4/validate/metaschema-composition-check.sch
index 77b15e46f..fb0d493b3 100644
--- a/toolchains/xslt-M4/validate/metaschema-composition-check.sch
+++ b/toolchains/xslt-M4/validate/metaschema-composition-check.sch
@@ -218,6 +218,11 @@
Empty (is likely to distort rendition)
+
+
+ Description should end with a period.
+ Description is too short.
+