diff --git a/rules/predefined/krateng_kpopgirlgroups.tsv b/rules/predefined/krateng_kpopgirlgroups.tsv
index 26a9af6..ba2d3d3 100644
--- a/rules/predefined/krateng_kpopgirlgroups.tsv
+++ b/rules/predefined/krateng_kpopgirlgroups.tsv
@@ -82,8 +82,8 @@ replacetitle	I'll be yours				I'll Be Yours
 replacetitle	FEMALE PRESIDENT(여자 대통령)		Female President
 
 # Mamamoo
-replaceartist   Hwa Sa                                  Hwasa
-replaceartist   MAMAMOO                                 Mamamoo
+replaceartist	Hwa Sa					 Hwasa
+replaceartist	MAMAMOO					Mamamoo
 
 # Hello Venus
 replaceartist	Hello/Venus				Hello Venus