diff --git a/src/Recaptcha.Web-net45/RecaptchaVerificationHelper.cs b/src/Recaptcha.Web-net45/RecaptchaVerificationHelper.cs
index 719464a..6fd3900 100644
--- a/src/Recaptcha.Web-net45/RecaptchaVerificationHelper.cs
+++ b/src/Recaptcha.Web-net45/RecaptchaVerificationHelper.cs
@@ -101,7 +101,7 @@ public RecaptchaVerificationResult VerifyRecaptchaResponse()
         {
             if (string.IsNullOrEmpty(Response))
             {
-                throw new InvalidOperationException("Reponse is emptry.");
+                throw new InvalidOperationException("Reponse is empty.");
             }
 
             string secretKey = SecretKey;
@@ -123,7 +123,7 @@ public Task<RecaptchaVerificationResult> VerifyRecaptchaResponseTaskAsync()
         {
             if (string.IsNullOrEmpty(Response))
             {
-                throw new InvalidOperationException("Reponse is emptry.");
+                throw new InvalidOperationException("Reponse is empty.");
             }
 
             string secretKey = SecretKey;
@@ -232,4 +232,4 @@ private RecaptchaVerificationResult VerifyRecpatcha2Response(string secretKey)
 
         #endregion Private Methods
     }
-}
\ No newline at end of file
+}