diff --git a/src/lang/korean.txt b/src/lang/korean.txt
--- a/src/lang/korean.txt
+++ b/src/lang/korean.txt
@@ -257,7 +257,6 @@ STR_MEASURE_AREA_HEIGHTDIFF                                     :{BLACK}넓이: {NUM} x {NUM}{}고도차: {HEIGHT}
 
 
 # These are used in buttons
-STR_SORT_BY_POPULATION                                          :인구
 STR_SORT_BY_CAPTION_NAME                                        :{BLACK}이름
 STR_SORT_BY_CAPTION_DATE                                        :{BLACK}날짜
 # These are used in dropdowns
@@ -290,6 +289,8 @@ STR_SORT_BY_RUNNING_COST                                        :{G=f}유지비
 STR_SORT_BY_POWER_VS_RUNNING_COST                               :유지비 분의 힘
 STR_SORT_BY_CARGO_CAPACITY                                      :화물 수송량
 STR_SORT_BY_RANGE                                               :항속거리
+STR_SORT_BY_POPULATION                                          :인구
+STR_SORT_BY_RATING                                              :등급
 
 # Tooltips for the main toolbar
 STR_TOOLBAR_TOOLTIP_PAUSE_GAME                                  :{BLACK}게임을 일시 정지합니다.