diff --git a/rom/01/20.md b/rom/01/20.md
index 52b2b0ca47..05fb6331dc 100644
--- a/rom/01/20.md
+++ b/rom/01/20.md
@@ -24,7 +24,7 @@ You can translate this in an active form. AT: "began to think foolish things" (S
 
 # their senseless hearts were darkened
 
-Here "darkness" is a metaphor that represents the people's lack of understanding. AT: "they became unable to understand what God wanted them to know" (See: [[rc://en/ta/man/translate/figs-metaphor]])
+Here "darkness" is a metaphor that represents the people's lack of understanding. Here "hearts" is a metonym for a person's mind or inner being. AT: "they became unable to understand what God wanted them to know" (See: [[rc://en/ta/man/translate/figs-metaphor]] and [[rc://en/ta/man/translate/figs-metonymy]])
 
 # translationWords
 
@@ -35,4 +35,5 @@ Here "darkness" is a metaphor that represents the people's lack of understanding
 * [[rc://en/tw/dict/bible/kt/divine]]
 * [[rc://en/tw/dict/bible/kt/glory]]
 * [[rc://en/tw/dict/bible/kt/foolish]]
+* [[rc://en/tw/dict/bible/kt/heart]]
 * [[rc://en/tw/dict/bible/other/darkness]]
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