diff --git a/tools/make-csproj.xsl b/tools/make-csproj.xsl
index ee4655b..d5f4896 100644
--- a/tools/make-csproj.xsl
+++ b/tools/make-csproj.xsl
@@ -21,7 +21,7 @@
       <PackageProjectUrl>https://xmlresolver.org/</PackageProjectUrl>
       <RepositoryUrl>https://github.com/xmlresolver/xmlresolverdata</RepositoryUrl>
       <RepositoryType>git</RepositoryType>
-      <PackageReleaseNotes>Standard resources for the catalog-based XML Resolver API for .NET</PackageReleaseNote
+      <PackageReleaseNotes>Standard resources for the catalog-based XML Resolver API for .NET</PackageReleaseNotes>
       <PackageSummary>This is a standard set of useful XML resources for use with the XML Resolver.</PackageSummary>
     </PropertyGroup>