diff --git a/23-ISA/06.usfm b/23-ISA/06.usfm
index fd52f9dd..c0ad0c23 100644
--- a/23-ISA/06.usfm
+++ b/23-ISA/06.usfm
@@ -28,7 +28,7 @@
 
 \q1
 \v 9 He said, "Go and tell this people,
-\q1 listen, but do not understand; see, but do not perceive.
+\q1 'Listen, but do not understand; see, but do not perceive.'
 
 \s5
 \q1