diff --git a/src/graph_gui.cpp b/src/graph_gui.cpp
index e0e90b56d0..da7ad9c43c 100644
--- a/src/graph_gui.cpp
+++ b/src/graph_gui.cpp
@@ -554,7 +554,7 @@ static const Widget _performance_history_widgets[] = {
 {   WWT_CLOSEBOX,   RESIZE_NONE,  COLOUR_GREY,     0,    10,     0,    13, STR_00C5,                             STR_018B_CLOSE_WINDOW},
 {    WWT_CAPTION,   RESIZE_NONE,  COLOUR_GREY,    11,   475,     0,    13, STR_7051_COMPANY_PERFORMANCE_RATINGS, STR_018C_WINDOW_TITLE_DRAG_THIS},
 { WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_GREY,   526,   575,     0,    13, STR_704C_KEY,                         STR_704D_SHOW_KEY_TO_GRAPHS},
-{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_GREY,   476,   525,     0,    13, STR_PERFORMANCE_DETAIL_KEY,           STR_704D_SHOW_KEY_TO_GRAPHS},
+{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_GREY,   476,   525,     0,    13, STR_PERFORMANCE_DETAIL_KEY,           STR_SHOW_DETAILED_PERFORMANCE_RATINGS},
 {      WWT_PANEL,   RESIZE_NONE,  COLOUR_GREY,     0,   575,    14,   237, 0x0,                                  STR_NULL},
 {   WIDGETS_END},
 };
diff --git a/src/lang/english.txt b/src/lang/english.txt
index eecf4a5aac..d99ad11704 100644
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -2239,6 +2239,7 @@ STR_704A_SELECT_FEMALE_FACES                                    :{BLACK}Select f
 STR_704B_GENERATE_RANDOM_NEW_FACE                               :{BLACK}Generate random new face
 STR_704C_KEY                                                    :{BLACK}Key
 STR_704D_SHOW_KEY_TO_GRAPHS                                     :{BLACK}Show key to graphs
+STR_SHOW_DETAILED_PERFORMANCE_RATINGS                           :{BLACK}Show detailed performance ratings
 STR_704E_KEY_TO_COMPANY_GRAPHS                                  :{WHITE}Key to company graphs
 STR_704F_CLICK_HERE_TO_TOGGLE_COMPANY                           :{BLACK}Click here to toggle company's entry on graph on/off
 STR_7050_UNITS_OF_CARGO_DELIVERED                               :{WHITE}Units of cargo delivered