diff --git a/jhn/12/40.md b/jhn/12/40.md
index 6d1e0109c9..0ffe44f2ab 100644
--- a/jhn/12/40.md
+++ b/jhn/12/40.md
@@ -1,6 +1,6 @@
-# he has hardened their hearts ... understand with their hearts
+# he has hardened their heart ... understand with their heart
 
-Here "hearts" is a metonym for a person's mind. The phrase "hardened their hearts" is a metaphor for making someone become stubborn. Also, to "understand with their hearts" means to "truly understand." Alternate translation: "he has made them stubborn ... truly understand" (See: [[rc://en/ta/man/jit/figs-metonymy]] and [[rc://en/ta/man/jit/figs-metaphor]])
+Here "hearts" is a metonym for a person's mind. The phrase "hardened their heart" is a metaphor for making someone become stubborn. Also, to "understand with their heart" means to "truly understand." Alternate translation: "he has made them stubborn ... truly understand" (See: [[rc://en/ta/man/jit/figs-metonymy]] and [[rc://en/ta/man/jit/figs-metaphor]])
 
 # and turn