diff --git a/src/lang/english_US.txt b/src/lang/english_US.txt
--- a/src/lang/english_US.txt
+++ b/src/lang/english_US.txt
@@ -523,6 +523,7 @@ STR_NEWS_MENU_DELETE_ALL_MESSAGES       
 # About menu
 ###length 11
 STR_ABOUT_MENU_LAND_BLOCK_INFO                                  :Land area information
+STR_ABOUT_MENU_HELP                                             :Help & manuals
 STR_ABOUT_MENU_SEPARATOR                                        :
 STR_ABOUT_MENU_TOGGLE_CONSOLE                                   :Toggle console
 STR_ABOUT_MENU_AI_DEBUG                                         :AI/Game script debug
@@ -2124,6 +2125,7 @@ STR_INTRO_MULTIPLAYER                   
 
 STR_INTRO_GAME_OPTIONS                                          :{BLACK}Game Options
 STR_INTRO_HIGHSCORE                                             :{BLACK}Highscore Table
+STR_INTRO_HELP                                                  :{BLACK}Help & Manuals
 STR_INTRO_CONFIG_SETTINGS_TREE                                  :{BLACK}Settings
 STR_INTRO_NEWGRF_SETTINGS                                       :{BLACK}NewGRF Settings
 STR_INTRO_ONLINE_CONTENT                                        :{BLACK}Check Online Content
@@ -2145,6 +2147,7 @@ STR_INTRO_TOOLTIP_TOYLAND_LANDSCAPE     
 
 STR_INTRO_TOOLTIP_GAME_OPTIONS                                  :{BLACK}Display game options
 STR_INTRO_TOOLTIP_HIGHSCORE                                     :{BLACK}Display highscore table
+STR_INTRO_TOOLTIP_HELP                                          :{BLACK}Get access to documentation and online resources
 STR_INTRO_TOOLTIP_CONFIG_SETTINGS_TREE                          :{BLACK}Display settings
 STR_INTRO_TOOLTIP_NEWGRF_SETTINGS                               :{BLACK}Display NewGRF settings
 STR_INTRO_TOOLTIP_ONLINE_CONTENT                                :{BLACK}Check for new and updated content to download
@@ -2167,6 +2170,17 @@ STR_ABANDON_GAME_QUERY                  
 STR_ABANDON_SCENARIO_QUERY                                      :{YELLOW}Are you sure you want to abandon this scenario?
 
 # Help window
+STR_HELP_WINDOW_CAPTION                                         :{WHITE}Help & Manuals
+STR_HELP_WINDOW_WEBSITES                                        :{BLACK}Websites
+STR_HELP_WINDOW_DOCUMENTS                                       :{BLACK}Documents
+STR_HELP_WINDOW_README                                          :{BLACK}Readme
+STR_HELP_WINDOW_CHANGELOG                                       :{BLACK}Changelog
+STR_HELP_WINDOW_KNOWN_BUGS                                      :{BLACK}Known Bugs
+STR_HELP_WINDOW_LICENSE                                         :{BLACK}License
+STR_HELP_WINDOW_MAIN_WEBSITE                                    :{BLACK}OpenTTD
+STR_HELP_WINDOW_MANUAL_WIKI                                     :{BLACK}Manual / Wiki
+STR_HELP_WINDOW_BUGTRACKER                                      :{BLACK}Report a Bug
+STR_HELP_WINDOW_COMMUNITY                                       :{BLACK}Community
 
 # Cheat window
 STR_CHEATS                                                      :{WHITE}Cheats
@@ -4701,6 +4715,11 @@ STR_AI_SETTINGS_SETTING                 
 
 
 # Textfile window
+STR_TEXTFILE_JUMPLIST                                           :{WHITE}Table of Contents
+STR_TEXTFILE_JUMPLIST_TOOLTIP                                   :{BLACK}Quickly jump to a section in the displayed file via this list
+STR_TEXTFILE_JUMPLIST_ITEM                                      :{WHITE}{STRING}
+STR_TEXTFILE_NAVBACK_TOOLTIP                                    :{BLACK}Go back in navigation history
+STR_TEXTFILE_NAVFORWARD_TOOLTIP                                 :{BLACK}Return forward in navigation history
 STR_TEXTFILE_WRAP_TEXT                                          :{WHITE}Wrap text
 STR_TEXTFILE_WRAP_TEXT_TOOLTIP                                  :{BLACK}Wrap the text of the window so it all fits without having to scroll
 STR_TEXTFILE_VIEW_README                                        :{BLACK}View readme
@@ -4711,6 +4730,7 @@ STR_TEXTFILE_README_CAPTION             
 STR_TEXTFILE_CHANGELOG_CAPTION                                  :{WHITE}{STRING} changelog of {STRING}
 STR_TEXTFILE_LICENCE_CAPTION                                    :{WHITE}{STRING} license of {STRING}
 STR_TEXTFILE_SURVEY_RESULT_CAPTION                              :{WHITE}Preview of survey result
+STR_TEXTFILE_GAME_MANUAL_CAPTION                                :{WHITE}OpenTTD document '{STRING}'
 
 
 # Vehicle loading indicators