diff --git a/mrk/09/42.md b/mrk/09/42.md
index 76ef6d4827..c2460d2775 100644
--- a/mrk/09/42.md
+++ b/mrk/09/42.md
@@ -1,4 +1,4 @@
 # millstone
 
-a large, round stone used for grinding grain into flour
+a millstone is a large, round stone used for grinding grain into flour