diff --git a/ch20/CustomTransitionsDemo/CustomTransitionsDemo/Base.lproj/Main.storyboard b/ch20/CustomTransitionsDemo/CustomTransitionsDemo/Base.lproj/Main.storyboard
index 659e4d5..9a5dafb 100644
--- a/ch20/CustomTransitionsDemo/CustomTransitionsDemo/Base.lproj/Main.storyboard
+++ b/ch20/CustomTransitionsDemo/CustomTransitionsDemo/Base.lproj/Main.storyboard
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="4488.2" systemVersion="12E55" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" initialViewController="rS3-R9-Ivy">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="4510" systemVersion="12F37" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" initialViewController="rS3-R9-Ivy">
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="3715.3"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="3742"/>
     </dependencies>
     <scenes>
         <!--Navigation Controller-->
@@ -23,19 +23,19 @@
         <scene sceneID="VgW-fR-Quf">
             <objects>
                 <tableViewController title="Master" id="pGg-6v-bdr" customClass="SCTMasterViewController" sceneMemberID="viewController">
-                    <tableView key="view" opaque="NO" clipsSubviews="YES" clearsContextBeforeDrawing="NO" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" id="mLL-gJ-YKr">
+                    <tableView key="view" opaque="NO" clipsSubviews="YES" clearsContextBeforeDrawing="NO" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" id="mLL-gJ-YKr">
                         <rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                         <prototypes>
-                            <tableViewCell contentMode="scaleToFill" ambiguous="YES" selectionStyle="blue" accessoryType="disclosureIndicator" hidesAccessoryWhenEditing="NO" indentationLevel="1" indentationWidth="0.0" reuseIdentifier="Cell" textLabel="2pz-XF-uhl" style="IBUITableViewCellStyleDefault" id="m0d-ak-lc9">
+                            <tableViewCell contentMode="scaleToFill" selectionStyle="blue" accessoryType="disclosureIndicator" hidesAccessoryWhenEditing="NO" indentationLevel="1" indentationWidth="0.0" reuseIdentifier="Cell" textLabel="2pz-XF-uhl" style="IBUITableViewCellStyleDefault" id="m0d-ak-lc9">
                                 <rect key="frame" x="0.0" y="86" width="320" height="44"/>
                                 <autoresizingMask key="autoresizingMask"/>
-                                <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" ambiguous="YES" tableViewCell="m0d-ak-lc9" id="sMf-k2-CLz">
+                                <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="m0d-ak-lc9" id="sMf-k2-CLz">
                                     <rect key="frame" x="0.0" y="0.0" width="287" height="43"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                     <subviews>
-                                        <label opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" ambiguous="YES" text="Title" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="2pz-XF-uhl">
+                                        <label opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" text="Title" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="2pz-XF-uhl">
                                             <rect key="frame" x="15" y="0.0" width="270" height="43"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <fontDescription key="fontDescription" type="boldSystem" pointSize="20"/>
@@ -78,10 +78,9 @@
                                 <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
                                 <nil key="highlightedColor"/>
                             </label>
-                            <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="mhJ-BB-vwq">
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="mhJ-BB-vwq">
                                 <rect key="frame" x="137" y="470" width="40" height="30"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
-                                <fontDescription key="fontDescription" type="system" pointSize="15"/>
                                 <state key="normal" title="Close">
                                     <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
                                 </state>
@@ -93,8 +92,10 @@
                         <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
                         <constraints>
                             <constraint firstItem="Lei-5M-9Gs" firstAttribute="leading" secondItem="MMQ-IT-qOo" secondAttribute="leading" constant="20" symbolic="YES" id="62x-JV-TTJ"/>
+                            <constraint firstAttribute="centerX" secondItem="mhJ-BB-vwq" secondAttribute="centerX" constant="3" id="FVZ-1m-dUh"/>
                             <constraint firstItem="Lei-5M-9Gs" firstAttribute="centerY" secondItem="MMQ-IT-qOo" secondAttribute="centerY" id="JzS-HC-Rnl"/>
                             <constraint firstAttribute="trailing" secondItem="Lei-5M-9Gs" secondAttribute="trailing" constant="20" symbolic="YES" id="pXB-RP-Zz6"/>
+                            <constraint firstItem="7MX-QS-1iO" firstAttribute="top" secondItem="mhJ-BB-vwq" secondAttribute="bottom" constant="68" id="sIB-NO-kPa"/>
                         </constraints>
                     </view>
                     <navigationItem key="navigationItem" title="Detail" id="cra-N8-TIN"/>