diff --git a/jos/07/intro.md b/jos/07/intro.md
index 90350d3dc4..9d887c8523 100644
--- a/jos/07/intro.md
+++ b/jos/07/intro.md
@@ -4,7 +4,7 @@
 
 ##### Sin brought defeat #####
 
-It was great sin to take what was to be destroyed. Because of their sin, Yahweh withheld victory from the Israelites. Sin resulted in defeat in battle. (See: [[rc://en/tw/dict/bible/kt/sin]])
+It was a great sin to take what was to be destroyed. Because of their sin, Yahweh withheld victory from the Israelites. Sin resulted in defeat in battle. (See: [[rc://en/tw/dict/bible/kt/sin]])
 
 ## Links: ##