diff --git a/enzevalos_iphone/IntroButtonViewController.swift b/enzevalos_iphone/IntroButtonViewController.swift
index 63bdd37ff8d0d5a65ce8420be1caa031662a4f02..f3272896be77ef7193389b5e158451ce981ef7fc 100644
--- a/enzevalos_iphone/IntroButtonViewController.swift
+++ b/enzevalos_iphone/IntroButtonViewController.swift
@@ -30,7 +30,7 @@ class IntroButtonViewController: UIViewController, IntroInfoButton {
     
     static let storyboardID = "buttonViewController"
     
-    static func storyboardInstance(description: String, buttonAction: ((_ sender: Any) -> ())? = nil, useTextView: Bool = false, buttonText: String? = nil, doneAction: ((_ sender: Any) -> ())? = nil, doneText: String? = nil, titleText: String = "", titleDecription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon) -> IntroButtonViewController? {
+    static func storyboardInstance(description: String, buttonAction: ((_ sender: Any) -> ())? = nil, useTextView: Bool = false, buttonText: String? = nil, doneAction: ((_ sender: Any) -> ())? = nil, doneText: String? = nil, titleText: String = "", titleDescription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon) -> IntroButtonViewController? {
         let storyboard = UIStoryboard(name:
             "Intro", bundle: nil)
         if let controller = storyboard.instantiateViewController(withIdentifier: storyboardID) as? IntroButtonViewController {
@@ -43,7 +43,7 @@ class IntroButtonViewController: UIViewController, IntroInfoButton {
             }
             controller.doneAction = doneAction
             controller.titleText = titleText
-            controller.titleDescription = titleDecription
+            controller.titleDescription = titleDescription
             if titleAction == nil {
                 controller.titleAction = controller.defaultTitleAction
             } else {
diff --git a/enzevalos_iphone/IntroContactTableViewController.swift b/enzevalos_iphone/IntroContactTableViewController.swift
index bc406bf21b277258a70bf50c794a07ba31d1f8a9..e7a793e1aea96b80c5eb8a2cd927c464d42a5600 100644
--- a/enzevalos_iphone/IntroContactTableViewController.swift
+++ b/enzevalos_iphone/IntroContactTableViewController.swift
@@ -24,14 +24,14 @@ class IntroContactTableViewController: UITableViewController, IntroInfoButton {
     @IBOutlet var doubleTapRecognizer: UITapGestureRecognizer!
     static let storyboardID = "contactTableViewController"
     
-    static func storyboardInstance(contacts: [String: [(EnzevalosContact, PersistentKey, [Mail_Address])]], nextAction: (() -> ())? = nil, titleText: String = "", titleDecription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon) -> IntroContactTableViewController? {
+    static func storyboardInstance(contacts: [String: [(EnzevalosContact, PersistentKey, [Mail_Address])]], nextAction: (() -> ())? = nil, titleText: String = "", titleDescription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon) -> IntroContactTableViewController? {
         let storyboard = UIStoryboard(name:
             "Intro", bundle: nil)
         if let controller = storyboard.instantiateViewController(withIdentifier: storyboardID) as? IntroContactTableViewController {
             controller.contacts = contacts
             controller.nextAction = nextAction
             controller.titleText = titleText
-            controller.titleDescription = titleDecription
+            controller.titleDescription = titleDescription
             if titleAction == nil {
                 controller.titleAction = controller.defaultTitleAction
             } else {
diff --git a/enzevalos_iphone/IntroDescriptionViewController.swift b/enzevalos_iphone/IntroDescriptionViewController.swift
index 98f78d4b6ba53d99da9435730967b8eebc975d26..c99d42fea7d02069cbe09efa243678f519f3779b 100644
--- a/enzevalos_iphone/IntroDescriptionViewController.swift
+++ b/enzevalos_iphone/IntroDescriptionViewController.swift
@@ -36,7 +36,7 @@ class IntroDescriptionViewController: UIViewController, IntroInfoButton {
     var spinningAction: (() -> ())?
     static let storyboardID = "descriptionViewController"
     
-    static func storyboardInstance(description: String, descriptionImage: UIImage? = nil, skipButtonAction: ((_ sender: Any) -> ())? = nil, useTextView: Bool = false, showSpinner: Bool = false, spinnerText: String = "", spinningAction: (() -> ())? = nil, titleText: String = "", titleDecription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon) -> IntroDescriptionViewController? {
+    static func storyboardInstance(description: String, descriptionImage: UIImage? = nil, skipButtonAction: ((_ sender: Any) -> ())? = nil, useTextView: Bool = false, showSpinner: Bool = false, spinnerText: String = "", spinningAction: (() -> ())? = nil, titleText: String = "", titleDescription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon) -> IntroDescriptionViewController? {
         let storyboard = UIStoryboard(name:
             "Intro", bundle: nil)
         if let controller = storyboard.instantiateViewController(withIdentifier: storyboardID) as? IntroDescriptionViewController {
@@ -47,7 +47,7 @@ class IntroDescriptionViewController: UIViewController, IntroInfoButton {
             controller.spinnerText = spinnerText
             controller.spinningAction = spinningAction
             controller.titleText = titleText
-            controller.titleDescription = titleDecription
+            controller.titleDescription = titleDescription
             if titleAction == nil {
                 controller.titleAction = controller.defaultTitleAction
             } else {
diff --git a/enzevalos_iphone/IntroInputViewController.swift b/enzevalos_iphone/IntroInputViewController.swift
index 695d623058743f6aa33f428da694dd18d0eb3987..3ab9976f3e173388fd5be859e722a076c60659cb 100644
--- a/enzevalos_iphone/IntroInputViewController.swift
+++ b/enzevalos_iphone/IntroInputViewController.swift
@@ -30,7 +30,7 @@ class IntroInputViewController: UIViewController, IntroInfoButton {
     
     static let storyboardID = "inputViewController"
     
-    static func storyboardInstance(description: String, doneAction: ((_ sender: Any) -> ())? = nil, doneText: String? = nil, useReturnAsDone: Bool = true, useTextView: Bool = false, titleText: String = "", titleDecription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon) -> IntroInputViewController? {
+    static func storyboardInstance(description: String, doneAction: ((_ sender: Any) -> ())? = nil, doneText: String? = nil, useReturnAsDone: Bool = true, useTextView: Bool = false, titleText: String = "", titleDescription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon) -> IntroInputViewController? {
         let storyboard = UIStoryboard(name:
             "Intro", bundle: nil)
         if let controller = storyboard.instantiateViewController(withIdentifier: storyboardID) as? IntroInputViewController {
@@ -42,7 +42,7 @@ class IntroInputViewController: UIViewController, IntroInfoButton {
             controller.useReturnAsDone = useReturnAsDone
             controller.useTextView = useTextView
             controller.titleText = titleText
-            controller.titleDescription = titleDecription
+            controller.titleDescription = titleDescription
             if titleAction == nil {
                 controller.titleAction = controller.defaultTitleAction
             } else {
diff --git a/enzevalos_iphone/IntroPageViewController.swift b/enzevalos_iphone/IntroPageViewController.swift
index 490ec5e68eccdeb8ad328df4d81c341b425f29bd..9db373bd4e541100854a5d336303db2ae106f801 100644
--- a/enzevalos_iphone/IntroPageViewController.swift
+++ b/enzevalos_iphone/IntroPageViewController.swift
@@ -12,13 +12,13 @@ class IntroPageViewController: UIPageViewController, IntroInfoButton {
     
     static let storyboardID = "pageViewController"
     
-    static func storyboardInstance(orderedViewControllers: [UIViewController], titleText: String = "", titleDecription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon) -> IntroPageViewController? {
+    static func storyboardInstance(orderedViewControllers: [UIViewController], titleText: String = "", titleDescription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon) -> IntroPageViewController? {
         let storyboard = UIStoryboard(name:
             "Intro", bundle: nil)
         if let controller = storyboard.instantiateViewController(withIdentifier: storyboardID) as? IntroPageViewController {
             controller.orderedViewControllers = orderedViewControllers
             controller.titleText = titleText
-            controller.titleDescription = titleDecription
+            controller.titleDescription = titleDescription
             if titleAction == nil {
                 controller.titleAction = controller.defaultTitleAction
             } else {
diff --git a/enzevalos_iphone/IntroSecretViewController.swift b/enzevalos_iphone/IntroSecretViewController.swift
index fbcc0a373d52764b65bfba6b459b5d6e31bf9f44..81a1f489279f4789c78f0792cb1752e5bf4fdb32 100644
--- a/enzevalos_iphone/IntroSecretViewController.swift
+++ b/enzevalos_iphone/IntroSecretViewController.swift
@@ -30,7 +30,7 @@ class IntroSecretViewController: UIViewController, IntroInfoButton {
     
     static let storyboardID = "secretViewController"
     
-    static func storyboardInstance(description: String, secret: String, doneAction: ((_ sender: Any) -> ())? = nil, doneText: String = NSLocalizedString("Done", comment: "finish action"), titleText: String = "", titleDecription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon, alternateText: String? = nil) -> IntroSecretViewController? {
+    static func storyboardInstance(description: String, secret: String, doneAction: ((_ sender: Any) -> ())? = nil, doneText: String = NSLocalizedString("Done", comment: "finish action"), titleText: String = "", titleDescription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon, alternateText: String? = nil) -> IntroSecretViewController? {
         let storyboard = UIStoryboard(name:
             "Intro", bundle: nil)
         if let controller = storyboard.instantiateViewController(withIdentifier: storyboardID) as? IntroSecretViewController {
@@ -39,7 +39,7 @@ class IntroSecretViewController: UIViewController, IntroInfoButton {
             controller.doneAction = doneAction
             controller.doneText = doneText
             controller.titleText = titleText
-            controller.titleDescription = titleDecription
+            controller.titleDescription = titleDescription
             if titleAction == nil {
                 controller.titleAction = controller.defaultTitleAction
             } else {
diff --git a/enzevalos_iphone/IntroYesNoViewController.swift b/enzevalos_iphone/IntroYesNoViewController.swift
index d225f1397f4aa0541158892b919c29b03453a368..66e6378707101bbefbde8fb968d7f913a0823168 100644
--- a/enzevalos_iphone/IntroYesNoViewController.swift
+++ b/enzevalos_iphone/IntroYesNoViewController.swift
@@ -25,7 +25,7 @@ class IntroYesNoViewController: UIViewController, IntroInfoButton {
     var tapableTitle: Bool = true
     static let storyboardID = "yesNoViewController"
     
-    static func storyboardInstance(description: String, yesAction: ((_ sender: Any) -> ())? = nil, noAction: ((_ sender: Any) -> ())? = nil, useTextView: Bool = false, buttonText: String? = nil, titleText: String = "", titleDecription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon) -> IntroYesNoViewController? {
+    static func storyboardInstance(description: String, yesAction: ((_ sender: Any) -> ())? = nil, noAction: ((_ sender: Any) -> ())? = nil, useTextView: Bool = false, buttonText: String? = nil, titleText: String = "", titleDescription: String = "", titleAction: ((_ sender: Any) -> ())? = nil, url: String? = TravelHandler.website, titleImage: UIImage? = TravelHandler.planeIcon) -> IntroYesNoViewController? {
         let storyboard = UIStoryboard(name:
             "Intro", bundle: nil)
         if let controller = storyboard.instantiateViewController(withIdentifier: storyboardID) as? IntroYesNoViewController {
@@ -34,7 +34,7 @@ class IntroYesNoViewController: UIViewController, IntroInfoButton {
             controller.noAction = noAction
             controller.useTextView = useTextView
             controller.titleText = titleText
-            controller.titleDescription = titleDecription
+            controller.titleDescription = titleDescription
             if titleAction == nil {
                 controller.titleAction = controller.defaultTitleAction
             } else {