Fix #7908, b524f1a: "Show the NewGRF name in the build vehicle window" is missing the "On/Off" display.

src/lang/english.txt

@@ -1312,7 +1312,7 @@ STR_CONFIG_SETTING_POPULATION_IN_LABEL                          :Show town popul
 STR_CONFIG_SETTING_POPULATION_IN_LABEL_HELPTEXT                 :Display the population of towns in their label on the map
 STR_CONFIG_SETTING_GRAPH_LINE_THICKNESS                         :Thickness of lines in graphs: {STRING2}
 STR_CONFIG_SETTING_GRAPH_LINE_THICKNESS_HELPTEXT                :Width of the line in the graphs. A thin line is more precisely readable, a thicker line is easier to see and colours are easier to distinguish
-STR_CONFIG_SETTING_SHOW_NEWGRF_NAME                             :Show the NewGRF's name in the build vehicle window
+STR_CONFIG_SETTING_SHOW_NEWGRF_NAME                             :Show the NewGRF's name in the build vehicle window: {STRING2}
 STR_CONFIG_SETTING_SHOW_NEWGRF_NAME_HELPTEXT                    :Add a line to the build vehicle window, showing which NewGRF the selected vehicle comes from.
 
 STR_CONFIG_SETTING_LANDSCAPE                                    :Landscape: {STRING2}