diff --git a/src/Mime-Detective/Analyzers/LinearTrie.cs b/src/Mime-Detective/Analyzers/LinearTrie.cs
index 5972290..15a03df 100644
--- a/src/Mime-Detective/Analyzers/LinearTrie.cs
+++ b/src/Mime-Detective/Analyzers/LinearTrie.cs
@@ -98,7 +98,7 @@ public unsafe FileType Search(in ReadResult readResult)
                     i++;
 
                     //collect the record
-                    if (i > highestMatchingCount && (object)node.Record != null)
+                    if (i > highestMatchingCount && !(node.Record is null))
                     {
                         match = node.Record;
                         highestMatchingCount = i;
diff --git a/src/Mime-Detective/Extensions/FileInfo/FileInfoExtensions.cs b/src/Mime-Detective/Extensions/FileInfo/FileInfoExtensions.cs
index bd9d6ef..8c16aa2 100644
--- a/src/Mime-Detective/Extensions/FileInfo/FileInfoExtensions.cs
+++ b/src/Mime-Detective/Extensions/FileInfo/FileInfoExtensions.cs
@@ -94,10 +94,12 @@ public static bool IsType(this FileInfo file, FileType type)
         }
 
         /// <summary>
-        /// Checks if the file is executable
+        /// Checks if the file is executable file .exe
         /// </summary>
         /// <param name="fileInfo"></param>
-        /// <returns></returns>
+        /// <returns>
+        ///     <c>true</c> if the specified file is type; otherwise, <c>false</c>.
+        /// </returns>
         public static bool IsExe(this FileInfo fileInfo) => fileInfo.IsType(MimeTypes.DLL_EXE);
 
         /// <summary>
@@ -107,7 +109,9 @@ public static bool IsType(this FileInfo file, FileType type)
         /// But it could be MSWord or MSExcel, or Powerpoint...
         /// </summary>
         /// <param name="fileInfo"></param>
-        /// <returns></returns>
+        /// <returns>
+        ///     <c>true</c> if the specified file is type; otherwise, <c>false</c>.
+        /// </returns>
         public static bool IsMsi(this FileInfo fileInfo)
         {
             // MSI has a generic DOCFILE header. Also it matches PPT files
diff --git a/src/Mime-Detective/Mime-Detective.csproj b/src/Mime-Detective/Mime-Detective.csproj
index 77a3a62..730a601 100644
--- a/src/Mime-Detective/Mime-Detective.csproj
+++ b/src/Mime-Detective/Mime-Detective.csproj
@@ -1,10 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-	<Description>Mime-Detective can find the MIME Types of files</Description>
+	<Description>Detect MIME type from files.</Description>
 	<AssemblyTitle>Mime-Detective</AssemblyTitle>
 	<Authors>Joshua Clark</Authors>
-	<TargetFrameworks>netstandard1.3;net45</TargetFrameworks>
+	<TargetFrameworks>netstandard1.3;net45;netstandard2.0</TargetFrameworks>
 	<AssemblyName>Mime-Detective</AssemblyName>
 	<PackageId>Mime-Detective</PackageId>
 	<PackageTags>mime, mime detective, file types</PackageTags>
@@ -13,14 +13,10 @@
 	<PackageLicenseUrl>https://github.com/clarkis117/Mime-Detective/blob/master/LICENSE</PackageLicenseUrl>
 	<RepositoryType>git</RepositoryType>
 	<RepositoryUrl>https://github.com/clarkis117/Mime-Detective.git</RepositoryUrl>
-	<PackageTargetFallback Condition="'$(TargetFramework)' == 'netstandard1.3'">
-	  $(PackageTargetFallback);portable-net45+win8
-	</PackageTargetFallback>
 	<AssemblyVersion>0.0.6.0</AssemblyVersion>
 	<FileVersion>0.0.6.0</FileVersion>
-	<PackageReleaseNotes>See beta4 PR</PackageReleaseNotes>
-	<Version>0.0.6.0-beta4</Version>
-	<DisableImplicitFrameworkReferences>true</DisableImplicitFrameworkReferences>
+	<PackageReleaseNotes>See beta5 PR</PackageReleaseNotes>
+	<Version>0.0.6.0-beta5</Version>
     <!--Needed to allow usage of fixed sized buffers-->
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
@@ -32,16 +28,7 @@
 	<Reference Include="System.IO.Compression" />
 	<Reference Include="System.Core" />
   </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard1.3'">
-	<PackageReference Include="System.Collections" Version="4.3.0" />
-	<PackageReference Include="System.IO" Version="4.3.0" />
-    <PackageReference Include="System.Linq" Version="4.3.0" />
-	<PackageReference Include="System.IO.FileSystem" Version="4.3.0" />
-	<PackageReference Include="System.IO.Compression" Version="4.3.0" />
-	<PackageReference Include="System.Runtime.InteropServices" Version="4.3.0" />
-  </ItemGroup>
-
+        
   <ItemGroup>
 	<PackageReference Include="System.Buffers" Version="4.*" />
   </ItemGroup>