--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -229,7 +229,7 @@
 
 STR_TOOLTIP_CLOSE_WINDOW                                        :{BLACK}Close window
 STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS                              :{BLACK}Window title - drag this to move window
-STR_TOOLTIP_SHADE                                               :{BLACK}Shade window - Only show the titlebar
+STR_TOOLTIP_SHADE                                               :{BLACK}Shade window - only show the title bar
 STR_TOOLTIP_STICKY                                              :{BLACK}Mark this window as uncloseable by the 'Close All Windows' key
 STR_TOOLTIP_RESIZE                                              :{BLACK}Click and drag to resize this window
 STR_TOOLTIP_TOGGLE_LARGE_SMALL_WINDOW                           :{BLACK}Toggle large/small window size
@@ -688,7 +688,7 @@
 STR_SMALLMAP_LEGENDA_SNOW                                       :{TINYFONT}{BLACK}Snow
 
 STR_SMALLMAP_TOOLTIP_TOGGLE_TOWN_NAMES_ON_OFF                   :{BLACK}Toggle town names on/off on map
-STR_SMALLMAP_CENTER                                             :{BLACK}Center the smallmap on the current position
+STR_SMALLMAP_CENTER                                             :{BLACK}Centre the smallmap on the current position
 STR_SMALLMAP_INDUSTRY                                           :{TINYFONT}{STRING} ({NUM})
 STR_SMALLMAP_TOWN                                               :{TINYFONT}{WHITE}{TOWN}
 STR_SMALLMAP_DISABLE_ALL                                        :{BLACK}Disable all
@@ -1463,7 +1463,7 @@
 STR_FACE_SIMPLE_TOOLTIP                                         :{BLACK}Simple face selection.
 STR_FACE_LOAD                                                   :{BLACK}Load
 STR_FACE_LOAD_TOOLTIP                                           :{BLACK}Load favourite face
-STR_FACE_LOAD_DONE                                              :{WHITE}Your favourite face has been loaded from the OpenTTD config file.
+STR_FACE_LOAD_DONE                                              :{WHITE}Your favourite face has been loaded from the OpenTTD configuration file
 STR_FACE_FACECODE                                               :{BLACK}Player face no.
 STR_FACE_FACECODE_TOOLTIP                                       :{BLACK}View and/or set player face number
 STR_FACE_FACECODE_CAPTION                                       :{WHITE}View and/or set player face number
@@ -1471,11 +1471,11 @@
 STR_FACE_FACECODE_ERR                                           :{WHITE}Couldn't set player face number - must be numeric between 0 and 4,294,967,295!
 STR_FACE_SAVE                                                   :{BLACK}Save
 STR_FACE_SAVE_TOOLTIP                                           :{BLACK}Save favourite face
-STR_FACE_SAVE_DONE                                              :{WHITE}This face will be saved as your favourite in the OpenTTD config file.
+STR_FACE_SAVE_DONE                                              :{WHITE}This face will be saved as your favourite in the OpenTTD configuration file
 STR_FACE_EUROPEAN                                               :{BLACK}European
-STR_FACE_SELECT_EUROPEAN                                        :{BLACK}Select european faces
+STR_FACE_SELECT_EUROPEAN                                        :{BLACK}Select European faces
 STR_FACE_AFRICAN                                                :{BLACK}African
-STR_FACE_SELECT_AFRICAN                                         :{BLACK}Select african faces
+STR_FACE_SELECT_AFRICAN                                         :{BLACK}Select African faces
 STR_FACE_YES                                                    :Yes
 STR_FACE_NO                                                     :No
 STR_FACE_MOUSTACHE_EARRING_TOOLTIP                              :{BLACK}Enable moustache or earring
@@ -1484,7 +1484,7 @@
 STR_FACE_EYEBROWS                                               :Eyebrows:
 STR_FACE_EYEBROWS_TOOLTIP                                       :{BLACK}Change eyebrows
 STR_FACE_EYECOLOUR                                              :Eye colour:
-STR_FACE_EYECOLOUR_TOOLTIP                                      :{BLACK}Change eyecolour
+STR_FACE_EYECOLOUR_TOOLTIP                                      :{BLACK}Change eye colour
 STR_FACE_GLASSES                                                :Glasses:
 STR_FACE_GLASSES_TOOLTIP                                        :{BLACK}Enable glasses
 STR_FACE_GLASSES_TOOLTIP_2                                      :{BLACK}Change glasses
@@ -1533,7 +1533,7 @@
 STR_NETWORK_SERVER_LIST_GAME_INFO                               :{SILVER}GAME INFO
 STR_NETWORK_SERVER_LIST_CLIENTS                                 :{SILVER}Clients: {WHITE}{COMMA} / {COMMA} - {COMMA} / {COMMA}
 STR_NETWORK_SERVER_LIST_LANGUAGE                                :{SILVER}Language: {WHITE}{STRING}
-STR_NETWORK_SERVER_LIST_LANDSCAPE                               :{SILVER}Tileset: {WHITE}{STRING}
+STR_NETWORK_SERVER_LIST_LANDSCAPE                               :{SILVER}Landscape: {WHITE}{STRING}
 STR_NETWORK_SERVER_LIST_MAP_SIZE                                :{SILVER}Map size: {WHITE}{COMMA}x{COMMA}
 STR_NETWORK_SERVER_LIST_SERVER_VERSION                          :{SILVER}Server version: {WHITE}{RAW_STRING}
 STR_NETWORK_SERVER_LIST_SERVER_ADDRESS                          :{SILVER}Server address: {WHITE}{RAW_STRING}
@@ -1809,7 +1809,7 @@
 STR_CONTENT_DETAIL_SUBTITLE_AUTOSELECTED                        :{SILVER}This dependency has been selected to be downloaded
 STR_CONTENT_DETAIL_SUBTITLE_ALREADY_HERE                        :{SILVER}You already have this
 STR_CONTENT_DETAIL_SUBTITLE_DOES_NOT_EXIST                      :{SILVER}This content is unknown and can't be downloaded in OpenTTD
-STR_CONTENT_DETAIL_UPDATE                                       :{SILVER}This is a replacement for an exising {STRING}
+STR_CONTENT_DETAIL_UPDATE                                       :{SILVER}This is a replacement for an existing {STRING}
 STR_CONTENT_DETAIL_NAME                                         :{SILVER}Name: {WHITE}{RAW_STRING}
 STR_CONTENT_DETAIL_VERSION                                      :{SILVER}Version: {WHITE}{RAW_STRING}
 STR_CONTENT_DETAIL_DESCRIPTION                                  :{SILVER}Description: {WHITE}{RAW_STRING}
@@ -1922,13 +1922,13 @@
 STR_BUILD_SIGNAL_SEMAPHORE_NORM_TOOLTIP                         :{BLACK}Block Signal (semaphore){}This is the most basic type of signal, allowing only one train to be in the same block at the same time.
 STR_BUILD_SIGNAL_SEMAPHORE_ENTRY_TOOLTIP                        :{BLACK}Entry-Signal (semaphore){}Green as long as there is one or more green exit-signal from the following section of track. Otherwise it shows red.
 STR_BUILD_SIGNAL_SEMAPHORE_EXIT_TOOLTIP                         :{BLACK}Exit-Signal (semaphore){}Behaves in the same way as a block signal but is necessary to trigger the correct colour on entry & combo pre-signals.
-STR_BUILD_SIGNAL_SEMAPHORE_COMBO_TOOLTIP                        :{BLACK}Combo-Signal (semaphore){}The combo signal simply acts as both an entry and exit signal. This allows you to build large "trees" of presignals.
+STR_BUILD_SIGNAL_SEMAPHORE_COMBO_TOOLTIP                        :{BLACK}Combo-Signal (semaphore){}The combo signal simply acts as both an entry and exit signal. This allows you to build large "trees" of pre-signals.
 STR_BUILD_SIGNAL_SEMAPHORE_PBS_TOOLTIP                          :{BLACK}Path Signal (semaphore){}A path signal allows more than one train to enter a signal block at the same time, if the train can reserve a path to a safe stopping point. Standard path signals can be passed from the back side.
 STR_BUILD_SIGNAL_SEMAPHORE_PBS_OWAY_TOOLTIP                     :{BLACK}One-way Path Signal (semaphore){}A path signal allows more than one train to enter a signal block at the same time, if the train can reserve a path to a safe stopping point. One-way path signals can't be passed from the back side.
 STR_BUILD_SIGNAL_ELECTRIC_NORM_TOOLTIP                          :{BLACK}Block Signal (electric){}This is the most basic type of signal, allowing only one train to be in the same block at the same time.
 STR_BUILD_SIGNAL_ELECTRIC_ENTRY_TOOLTIP                         :{BLACK}Entry-Signal (electric){}Green as long as there is one or more green exit-signal from the following section of track. Otherwise it shows red.
 STR_BUILD_SIGNAL_ELECTRIC_EXIT_TOOLTIP                          :{BLACK}Exit-Signal (electric){}Behaves in the same way as a block signal but is necessary to trigger the correct colour on entry & combo pre-signals.
-STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP                         :{BLACK}Combo-Signal (electric){}The combo signal simply acts as both an entry and exit signal. This allows you to build large "trees" of presignals.
+STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP                         :{BLACK}Combo-Signal (electric){}The combo signal simply acts as both an entry and exit signal. This allows you to build large "trees" of pre-signals.
 STR_BUILD_SIGNAL_ELECTRIC_PBS_TOOLTIP                           :{BLACK}Path Signal (electric){}A path signal allows more than one train to enter a signal block at the same time, if the train can reserve a path to a safe stopping point. Standard path signals can be passed from the back side.
 STR_BUILD_SIGNAL_ELECTRIC_PBS_OWAY_TOOLTIP                      :{BLACK}One-way Path Signal (electric){}A path signal allows more than one train to enter a signal block at the same time, if the train can reserve a path to a safe stopping point. One-way path signals can't be passed from the back side.
 STR_BUILD_SIGNAL_CONVERT_TOOLTIP                                :{BLACK}Signal Convert{}When selected, clicking an existing signal will convert it to the selected signal type and variant, Ctrl+Click will toggle the existing variant.
@@ -1939,7 +1939,7 @@
 # Bridge selection window
 STR_SELECT_RAIL_BRIDGE_CAPTION                                  :{WHITE}Select Rail Bridge
 STR_SELECT_ROAD_BRIDGE_CAPTION                                  :{WHITE}Select Road Bridge
-STR_SELECT_BRIDGE_SELECTION_TOOLTIP                             :{BLACK}Bridge selection - click on your prefered bridge to build it
+STR_SELECT_BRIDGE_SELECTION_TOOLTIP                             :{BLACK}Bridge selection - click on your preferred bridge to build it
 STR_SELECT_BRIDGE_INFO                                          :{GOLD}{STRING},{} {VELOCITY} {WHITE}{CURRENCY}
 STR_BRIDGE_NAME_SUSPENSION_STEEL                                :Suspension, Steel
 STR_BRIDGE_NAME_GIRDER_STEEL                                    :Girder, Steel
@@ -2114,7 +2114,7 @@
 STR_LAND_AREA_INFORMATION_OWNER                                 :{BLACK}Owner: {LTBLUE}{STRING1}
 STR_LAND_AREA_INFORMATION_ROAD_OWNER                            :{BLACK}Road owner: {LTBLUE}{STRING1}
 STR_LAND_AREA_INFORMATION_TRAM_OWNER                            :{BLACK}Tramway owner: {LTBLUE}{STRING1}
-STR_LAND_AREA_INFORMATION_RAIL_OWNER                            :{BLACK}Railroad owner: {LTBLUE}{STRING1}
+STR_LAND_AREA_INFORMATION_RAIL_OWNER                            :{BLACK}Railway owner: {LTBLUE}{STRING1}
 STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY                       :{BLACK}Local authority: {LTBLUE}{STRING1}
 STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE                  :None
 STR_LAND_AREA_INFORMATION_LANDINFO_COORDS                       :{BLACK}Coordinates: {LTBLUE}{NUM}x{NUM}x{NUM} ({RAW_STRING})
@@ -2159,7 +2159,7 @@
 STR_LAI_RAIL_DESCRIPTION_TRAIN_DEPOT                            :Railway train depot
 
 STR_LAI_ROAD_DESCRIPTION_ROAD                                   :Road
-STR_LAI_ROAD_DESCRIPTION_ROAD_WITH_STREETLIGHTS                 :Road with streetlights
+STR_LAI_ROAD_DESCRIPTION_ROAD_WITH_STREETLIGHTS                 :Road with street lights
 STR_LAI_ROAD_DESCRIPTION_TREE_LINED_ROAD                        :Tree-lined road
 STR_LAI_ROAD_DESCRIPTION_ROAD_VEHICLE_DEPOT                     :Road vehicle depot
 STR_LAI_ROAD_DESCRIPTION_ROAD_RAIL_LEVEL_CROSSING               :Road/rail level crossing
@@ -2536,7 +2536,7 @@
 STR_FINANCES_SECTION_CONSTRUCTION                               :{GOLD}Construction
 STR_FINANCES_SECTION_NEW_VEHICLES                               :{GOLD}New Vehicles
 STR_FINANCES_SECTION_TRAIN_RUNNING_COSTS                        :{GOLD}Train Running Costs
-STR_FINANCES_SECTION_ROAD_VEHICLE_RUNNING_COSTS                 :{GOLD}Road Veh. Running Costs
+STR_FINANCES_SECTION_ROAD_VEHICLE_RUNNING_COSTS                 :{GOLD}Road Vehicle Running Costs
 STR_FINANCES_SECTION_AIRCRAFT_RUNNING_COSTS                     :{GOLD}Aircraft Running Costs
 STR_FINANCES_SECTION_SHIP_RUNNING_COSTS                         :{GOLD}Ship Running Costs
 STR_FINANCES_SECTION_PROPERTY_MAINTENANCE                       :{GOLD}Property Maintenance
@@ -3218,7 +3218,7 @@
 STR_AI_DEBUG_RELOAD                                             :{BLACK}Reload AI
 STR_AI_DEBUG_RELOAD_TOOLTIP                                     :{BLACK}Kill the AI, reload the script, and restart the AI
 
-STR_ERROR_NO_AI                                                 :{WHITE}OpenTTD is build without AI support...
+STR_ERROR_NO_AI                                                 :{WHITE}OpenTTD is built without AI support...
 STR_ERROR_NO_AI_SUB                                             :{WHITE}... no AIs are available!
 
 STR_ERROR_AI_NO_AI_FOUND                                        :No suitable AI found to load.{}This AI is a dummy AI and won't do anything.{}You can download several AIs via the 'Online Content' system.
@@ -3338,7 +3338,7 @@
 STR_ERROR_BRIBE_FAILED                                          :{WHITE}Your attempted bribe has been
 STR_ERROR_BRIBE_FAILED_2                                        :{WHITE}discovered by a regional investigator
 
-# Leveling errors
+# Levelling errors
 STR_ERROR_CAN_T_RAISE_LAND_HERE                                 :{WHITE}Can't raise land here...
 STR_ERROR_CAN_T_LOWER_LAND_HERE                                 :{WHITE}Can't lower land here...
 STR_ERROR_CAN_T_LEVEL_LAND_HERE                                 :{WHITE}Can't level land here...