diff --git a/42-MRK/03.usfm b/42-MRK/03.usfm
index ca9dff76..825d2b12 100644
--- a/42-MRK/03.usfm
+++ b/42-MRK/03.usfm
@@ -24,7 +24,7 @@
 
 \s5
 \v 11 Whenever the evil spirits saw Jesus, they caused the people whom they controlled to fall down in front of Jesus and call out to him, "You are the Son of God!"
-\v 12 Jesus commanded the evil spirits strongly that they should not tell anyone who he was.
+\v 12 Jesus commanded the evil spirits strongly that they must not tell anyone who he was.
 
 \s5
 \p