diff --git a/src/lang/dutch.txt b/src/lang/dutch.txt
--- a/src/lang/dutch.txt
+++ b/src/lang/dutch.txt
@@ -314,6 +314,7 @@ STR_TOOLBAR_TOOLTIP_LANDSCAPING         
 STR_TOOLBAR_TOOLTIP_SHOW_SOUND_MUSIC_WINDOW                     :{BLACK}Toon geluid/muziekscherm
 STR_TOOLBAR_TOOLTIP_SHOW_LAST_MESSAGE_NEWS                      :{BLACK}Toon laatste (nieuws)bericht, toon berichtinstellingen
 STR_TOOLBAR_TOOLTIP_LAND_BLOCK_INFORMATION                      :{BLACK}Landinformatie, console, AI-debug, screenshots, over OpenTTD
+STR_TOOLBAR_TOOLTIP_SWITCH_TOOLBAR                              :{BLACK}Verwissel knoppenbalk
 
 # Extra tooltips for the scenario editor toolbar
 STR_SCENEDIT_TOOLBAR_TOOLTIP_SAVE_SCENARIO_LOAD_SCENARIO        :{BLACK}Sla scenario op, open scenario, scenario-editor verlaten, afsluiten