diff --git a/onionshare_gui/settings_dialog.py b/onionshare_gui/settings_dialog.py
index c8df0f6c..f2a80272 100644
--- a/onionshare_gui/settings_dialog.py
+++ b/onionshare_gui/settings_dialog.py
@@ -219,7 +219,10 @@ class SettingsDialog(QtWidgets.QDialog):
         self.save_button.clicked.connect(self.save_clicked)
         self.cancel_button = QtWidgets.QPushButton(strings._('gui_settings_button_cancel', True))
         self.cancel_button.clicked.connect(self.cancel_clicked)
+        self.help_button = QtWidgets.QPushButton(strings._('gui_settings_button_help', True))
+        self.help_button.clicked.connect(self.help_clicked)
         buttons_layout = QtWidgets.QHBoxLayout()
+        buttons_layout.addWidget(self.help_button)
         buttons_layout.addStretch()
         buttons_layout.addWidget(self.save_button)
         buttons_layout.addWidget(self.cancel_button)
@@ -502,6 +505,14 @@ class SettingsDialog(QtWidgets.QDialog):
         common.log('SettingsDialog', 'cancel_clicked')
         self.close()
 
+    def help_clicked(self):
+        """
+        Help button clicked.
+        """
+        common.log('SettingsDialog', 'help_clicked')
+        help_site = 'https://github.com/micahflee/onionshare/wiki'
+        QtGui.QDesktopServices.openUrl(QtCore.QUrl(help_site))
+
     def settings_from_fields(self):
         """
         Return a Settings object that's full of values from the settings dialog.
diff --git a/share/locale/en.json b/share/locale/en.json
index 1a87dd20..31758de5 100644
--- a/share/locale/en.json
+++ b/share/locale/en.json
@@ -89,6 +89,7 @@
     "gui_settings_cookie_label": "Cookie path",
     "gui_settings_button_save": "Save",
     "gui_settings_button_cancel": "Cancel",
+    "gui_settings_button_help": "Help",
     "settings_saved": "Settings saved to {}",
     "settings_error_unknown": "Can't connect to Tor controller because the settings don't make sense.",
     "settings_error_automatic": "Can't connect to Tor controller. Is Tor Browser running in the background? If you don't have it you can get it from:\nhttps://www.torproject.org/.",