diff --git a/rom/15/11.md b/rom/15/11.md
index 6cb957f89d..b2c4f97f79 100644
--- a/rom/15/11.md
+++ b/rom/15/11.md
@@ -1,4 +1,4 @@
 # praise him
 
-"praise the Lord"
+"praise the Lord". (see Psalm 117:1)