diff --git a/validatereceipt.h b/validatereceipt.h
index aa329e7..07e0454 100644
--- a/validatereceipt.h
+++ b/validatereceipt.h
@@ -27,8 +27,8 @@
 #import <Foundation/Foundation.h>
 
 
-extern NSString *kReceiptBundleIdentifer;
-extern NSString *kReceiptBundleIdentiferData;
+extern NSString *kReceiptBundleIdentifier;
+extern NSString *kReceiptBundleIdentifierData;
 extern NSString *kReceiptVersion;
 extern NSString *kReceiptOpaqueValue;
 extern NSString *kReceiptHash;