diff --git a/src/lang/unfinished/frisian.txt b/src/lang/unfinished/frisian.txt
index fe1e9647d7..c0ab4c6e00 100644
--- a/src/lang/unfinished/frisian.txt
+++ b/src/lang/unfinished/frisian.txt
@@ -1303,7 +1303,9 @@ STR_CONFIG_SETTING_ROUGHNESS_OF_TERRAIN_ROUGH                   :Rûch
 STR_CONFIG_SETTING_ROUGHNESS_OF_TERRAIN_VERY_ROUGH              :Tige rûch
 STR_CONFIG_SETTING_VARIETY                                      :Fariaasjedistribusje: {STRING}
 STR_CONFIG_SETTING_RIVER_AMOUNT                                 :Tal rivieren: {STRING}
+STR_CONFIG_SETTING_RIVER_AMOUNT_HELPTEXT                        :Kieze hoefolle rivieren generearje moatte wurde
 STR_CONFIG_SETTING_TREE_PLACER                                  :Algoritme foar pleatsing beamen: {STRING}
+STR_CONFIG_SETTING_TREE_PLACER_HELPTEXT                         :Kies de spreding fan beammen op 'e kaart: 'Orizjineel' plantet beammen ferspreid oer de kaart, 'Ferbettere' plantet beammen yn kloften
 STR_CONFIG_SETTING_TREE_PLACER_NONE                             :Gjin
 STR_CONFIG_SETTING_TREE_PLACER_ORIGINAL                         :Orizjineel
 STR_CONFIG_SETTING_TREE_PLACER_IMPROVED                         :Ferbettere
@@ -1446,6 +1448,7 @@ STR_CONFIG_SETTING_AI_PROFILE_MEDIUM                            :Middel
 STR_CONFIG_SETTING_AI_PROFILE_HARD                              :Dreech
 
 STR_CONFIG_SETTING_AI_IN_MULTIPLAYER                            :Stea AIs ta yn multiplayer: {STRING}
+STR_CONFIG_SETTING_AI_IN_MULTIPLAYER_HELPTEXT                   :Kompjûterspilers tastean mei te spylje yn multyspyler spullen
 
 STR_CONFIG_SETTING_SERVINT_ISPERCENT                            :reperaasje skemas binne yn procenten: {STRING}
 STR_CONFIG_SETTING_SERVINT_TRAINS                               :Standert reparaasjeskema foar treinen: {STRING}
@@ -3293,12 +3296,23 @@ STR_ORDER_NO_UNLOAD_FULL_LOAD                                   :(Net losse en w
 STR_ORDER_NO_UNLOAD_NO_LOAD                                     :(net lade of losse)
 
 STR_ORDER_AUTO_REFIT                                            :(Ombouwe nei {STRING})
+STR_ORDER_NO_UNLOAD_REFIT                                       :(Net losse en fracht meinimme mei ombou nei {STRING})
+STR_ORDER_NO_UNLOAD_FULL_LOAD_REFIT                             :(Net losse en folslein lade mei ombou nei {STRING})
+STR_ORDER_NO_UNLOAD_FULL_LOAD_ANY_REFIT                         :(Net losse en ien fracht folslein lade mei ombou nei {STRING})
 
 STR_ORDER_AUTO_REFIT_ANY                                        :beskikbere fracht
 
+STR_ORDER_STOP_LOCATION_NEAR_END                                :[begjin]
+STR_ORDER_STOP_LOCATION_MIDDLE                                  :[midden]
+STR_ORDER_STOP_LOCATION_FAR_END                                 :[ein]
 
+STR_ORDER_OUT_OF_RANGE                                          :{RED} (Folgjende bestimming is bûten berik)
 
+STR_ORDER_CONDITIONAL_UNCONDITIONAL                             :Ljep nei opdracht {COMMA}
+STR_ORDER_CONDITIONAL_NUM                                       :Ljep nei opdracht {COMMA} at {STRING} {STRING} {COMMA}
+STR_ORDER_CONDITIONAL_TRUE_FALSE                                :Ljep nei opdracht {COMMA} at {STRING} {STRING}
 
+STR_INVALID_ORDER                                               :{RED} (Unjildige opdracht)
 
 # Time table window
 STR_TIMETABLE_ORDER_VIEW                                        :{BLACK}Opdrachten
diff --git a/src/terraform_gui.cpp b/src/terraform_gui.cpp
index dc720706de..568e4240bd 100644
--- a/src/terraform_gui.cpp
+++ b/src/terraform_gui.cpp
@@ -633,11 +633,8 @@ struct ScenarioEditorLandscapeGenerationWindow : Window {
 				ShowBuildObjectPicker();
 				break;
 
-				case WID_ETT_PLACE_HOUSE: // Place house button
-				if (HandlePlacePushButton(this, WID_ETT_PLACE_HOUSE, SPR_CURSOR_TOWN, HT_RECT)) {
-					ShowBuildHousePicker(this);
-					this->last_user_action = widget;
-				}
+			case WID_ETT_PLACE_HOUSE: // Place house button
+				ShowBuildHousePicker(this);
 				break;
 
 			case WID_ETT_INCREASE_SIZE:
diff --git a/src/town_gui.cpp b/src/town_gui.cpp
index 567413dc00..c5ce502eb3 100644
--- a/src/town_gui.cpp
+++ b/src/town_gui.cpp
@@ -1717,6 +1717,9 @@ static WindowDesc _house_picker_desc(
  */
 void ShowBuildHousePicker(Window *parent)
 {
+	if (BringWindowToFrontById(WC_BUILD_HOUSE, 0) != NULL) {
+		return;
+	}
 	new HousePickerWindow(&_house_picker_desc, parent);
 }