diff --git a/23-ISA/10.usfm b/23-ISA/10.usfm
index 5b8686e0..a169de29 100644
--- a/23-ISA/10.usfm
+++ b/23-ISA/10.usfm
@@ -133,7 +133,7 @@
 \q1
 \v 26 Yahweh, Commander of the angel armies, will strike them with his whip.
 \q2 He will do to them as he did when he defeated the army of the Midian people group,
-\q2 and as he did when he caused the army of Egypt to drown in the Sea of Reeds.
+\q2 and as he did when he caused the army of Egypt to drown in the sea of Reeds.
 \q1
 \v 27 One day in the future, Yahweh will cause the army of Assyria to stop oppressing you, his people;
 \q2 he will end your suffering and your being slaves of the people of Assyria;