diff --git a/samples/HelloWorld/Assets/Scripts/Utility/SceneMenuList.cs b/samples/HelloWorld/Assets/Scripts/Utility/SceneMenuList.cs
index 2ec6274c6..7e3dcc08c 100644
--- a/samples/HelloWorld/Assets/Scripts/Utility/SceneMenuList.cs
+++ b/samples/HelloWorld/Assets/Scripts/Utility/SceneMenuList.cs
@@ -27,7 +27,7 @@ public SceneInfo(string text, string sceneToLoad)
             new SceneInfo("Banner View", "GoogleBannerViewScene"),
             new SceneInfo("Interstitial Ad", "GoogleInterstitialAdScene"),
             new SceneInfo("Rewarded Ad", "GoogleRewardedAdScene"),
-            new SceneInfo("Rewarded Interstital Ad", "GoogleRewardedInterstitialAdScene"),
+            new SceneInfo("Rewarded Interstitial Ad", "GoogleRewardedInterstitialAdScene"),
             new SceneInfo("App Open Ad", "GoogleAppOpenAdScene"),
             new SceneInfo("Native Overlay Ad", "GoogleNativeOverlayAdScene"),
         };
diff --git a/source/plugin/Assets/GoogleMobileAds/Api/RewardedInterstitialAd.cs b/source/plugin/Assets/GoogleMobileAds/Api/RewardedInterstitialAd.cs
index 61cf2383b..d460ba32d 100644
--- a/source/plugin/Assets/GoogleMobileAds/Api/RewardedInterstitialAd.cs
+++ b/source/plugin/Assets/GoogleMobileAds/Api/RewardedInterstitialAd.cs
@@ -158,7 +158,7 @@ public void SetServerSideVerificationOptions(ServerSideVerificationOptions optio
         }
 
         /// <summary>
-        /// The reward item for the loaded rewarded interstital ad.
+        /// The reward item for the loaded rewarded interstitial ad.
         /// </summary>
         public Reward GetRewardItem()
         {