diff --git a/nuget/AiEffects_mac.nuspec b/nuget/AiEffects_mac.nuspec
index 534be12..5410b4c 100644
--- a/nuget/AiEffects_mac.nuspec
+++ b/nuget/AiEffects_mac.nuspec
@@ -11,14 +11,14 @@
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
         <description>Xamarin.Forms Effects(add Text/add Command/NumberPicker to a view,alter LineHeight of Label and Editor/Button to flat) for iOS/Android</description>
         <summary></summary>
-        <ReleaseNotes>
+        <releaseNotes>
         ## Enhancements 
         
         [AddCommand] Add EnableSound Property (PullRequests#10)
             * system sound on/off.
         [AddCommand] Add SyncCanExecute Property (Issues#9)
             * synchronize Command's CanExecute to Xamarin.Forms.View's IsEnabled.
-        </ReleaseNotes>
+        </releaseNotes>
         <tags>Xamarin.Forms Effects Command NumberPikcer LineHeight LineSpacing FlatButton Validation SoundEffect</tags>
         <language>en-US</language>
         <dependencies>