diff --git a/TPInAppReceipt.xcodeproj/project.pbxproj b/TPInAppReceipt.xcodeproj/project.pbxproj
index 877bb2d..ccea104 100644
--- a/TPInAppReceipt.xcodeproj/project.pbxproj
+++ b/TPInAppReceipt.xcodeproj/project.pbxproj
@@ -768,7 +768,7 @@
 				DEVELOPMENT_TEAM = Y357EKMWLB;
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				INFOPLIST_FILE = "iOS Example/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 12.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
@@ -792,7 +792,7 @@
 				DEVELOPMENT_TEAM = Y357EKMWLB;
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				INFOPLIST_FILE = "iOS Example/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 12.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				MTL_FAST_MATH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.tikhop.InAppReceipt.iOS-Example";
diff --git a/TPInAppReceipt/Source/Validation.swift b/TPInAppReceipt/Source/Validation.swift
index a37883b..cd5b5d0 100644
--- a/TPInAppReceipt/Source/Validation.swift
+++ b/TPInAppReceipt/Source/Validation.swift
@@ -54,13 +54,13 @@ public extension InAppReceipt
         }
         
         #if os(iOS) || os(watchOS) || os(tvOS)
-        guard let v = Bundle.main.infoDictionary?["CFBundleVersion"] as? String,
+        guard let v = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String,
             v == originalAppVersion else
         {
             throw IARError.validationFailed(reason: .bundleVersionVefirication)
         }
         #elseif os(macOS)
-        guard let v = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String,
+        guard let v = Bundle.main.infoDictionary?["CFBundleVersion"] as? String,
             v == originalAppVersion else
         {
             throw IARError.validationFailed(reason: .bundleVersionVefirication)
@@ -104,13 +104,12 @@ public extension InAppReceipt
         let opaqueData = opaqueValue
         let bundleIdData = bundleIdentifierData
         
-        var hash: Array<UInt8> = Array<UInt8>.init(repeating: 0, count: 20)
         var sha1 = SHA1()
-        hash = try! sha1.update(withBytes: uuidData.bytes)
-        hash = try! sha1.update(withBytes: opaqueData.bytes)
-        hash = sha1.calculate(for: bundleIdData.bytes)
+        try! sha1.update(withBytes: uuidData.bytes)
+        try! sha1.update(withBytes: opaqueData.bytes)
+        let hash = sha1.calculate(for: bundleIdData.bytes)
         
-        return Data(bytes: hash, count: hash.count)
+        return Data(hash)
     }
 }
 
diff --git a/iOS Example/ViewController.swift b/iOS Example/ViewController.swift
index b5dbc77..1c211f4 100644
--- a/iOS Example/ViewController.swift	
+++ b/iOS Example/ViewController.swift	
@@ -9,7 +9,7 @@
 import UIKit
 import TPInAppReceipt
 
-var rBase64 = "You Receupt"
+var rBase64 = "Your Receipt"
 
 class ViewController: UIViewController {