diff --git a/src/LibHac/Fs/Common/WindowsPath.cs b/src/LibHac/Fs/Common/WindowsPath.cs
index 57657537..977450fc 100644
--- a/src/LibHac/Fs/Common/WindowsPath.cs
+++ b/src/LibHac/Fs/Common/WindowsPath.cs
@@ -159,9 +159,9 @@ public static class WindowsPath
         return DosDevicePathPrefixLength;
     }
 
-    public static bool IsWindowsPath(ReadOnlySpan<byte> path, bool checkForwardSlash)
+    public static bool IsWindowsPath(ReadOnlySpan<byte> path, bool allowForwardSlashForUnc)
     {
-        return IsWindowsDrive(path) || IsDosDevicePath(path) || IsUncPath(path, checkForwardSlash, true);
+        return IsWindowsDrive(path) || IsDosDevicePath(path) || IsUncPath(path, allowForwardSlashForUnc, true);
     }
 
     public static int GetWindowsSkipLength(ReadOnlySpan<byte> path)
diff --git a/src/LibHac/Fs/Impl/CommonMountNames.cs b/src/LibHac/Fs/Impl/CommonMountNames.cs
index a3850c88..63e10a9b 100644
--- a/src/LibHac/Fs/Impl/CommonMountNames.cs
+++ b/src/LibHac/Fs/Impl/CommonMountNames.cs
@@ -7,25 +7,32 @@ public static class CommonMountNames
     public const char ReservedMountNamePrefixCharacter = '@';
 
     // Filesystem names.
+    /// <summary>"<c>@Host</c>"</summary>
     public static ReadOnlySpan<byte> HostRootFileSystemMountName => // "@Host"
-        new[] { (byte)'@', (byte)'H', (byte)'o', (byte)'s', (byte)'t' };
+            new[] { (byte)'@', (byte)'H', (byte)'o', (byte)'s', (byte)'t' };
 
+    /// <summary>"<c>@Sdcard</c>"</summary>
     public static ReadOnlySpan<byte> SdCardFileSystemMountName => // "@Sdcard"
         new[] { (byte)'@', (byte)'S', (byte)'d', (byte)'c', (byte)'a', (byte)'r', (byte)'d' };
 
+    /// <summary>"<c>@Gc</c>"</summary>
     public static ReadOnlySpan<byte> GameCardFileSystemMountName => // "@Gc"
         new[] { (byte)'@', (byte)'G', (byte)'c' };
 
+    /// <summary>"<c>U</c>"</summary>
     public static ReadOnlySpan<byte> GameCardFileSystemMountNameUpdateSuffix => // "U"
         new[] { (byte)'U' };
 
+    /// <summary>"<c>N</c>"</summary>
     public static ReadOnlySpan<byte> GameCardFileSystemMountNameNormalSuffix => // "N"
         new[] { (byte)'N' };
 
+    /// <summary>"<c>S</c>"</summary>
     public static ReadOnlySpan<byte> GameCardFileSystemMountNameSecureSuffix => // "S"
         new[] { (byte)'S' };
 
     // Built-in storage names.
+    /// <summary>"<c>@CalibFile</c>"</summary>
     public static ReadOnlySpan<byte> BisCalibrationFilePartitionMountName => // "@CalibFile"
         new[]
         {
@@ -33,16 +40,20 @@ public static class CommonMountNames
             (byte)'l', (byte)'e'
         };
 
+    /// <summary>"<c>@Safe</c>"</summary>
     public static ReadOnlySpan<byte> BisSafeModePartitionMountName => // "@Safe"
         new[] { (byte)'@', (byte)'S', (byte)'a', (byte)'f', (byte)'e' };
 
+    /// <summary>"<c>@User</c>"</summary>
     public static ReadOnlySpan<byte> BisUserPartitionMountName => // "@User"
         new[] { (byte)'@', (byte)'U', (byte)'s', (byte)'e', (byte)'r' };
 
+    /// <summary>"<c>@System</c>"</summary>
     public static ReadOnlySpan<byte> BisSystemPartitionMountName => // "@System"
         new[] { (byte)'@', (byte)'S', (byte)'y', (byte)'s', (byte)'t', (byte)'e', (byte)'m' };
 
     //Content storage names.
+    /// <summary>"<c>@SystemContent</c>"</summary>
     public static ReadOnlySpan<byte> ContentStorageSystemMountName => // "@SystemContent"
         new[]
         {
@@ -50,6 +61,7 @@ public static class CommonMountNames
             (byte)'o', (byte)'n', (byte)'t', (byte)'e', (byte)'n', (byte)'t'
         };
 
+    /// <summary>"<c>@UserContent</c>"</summary>
     public static ReadOnlySpan<byte> ContentStorageUserMountName => // "@UserContent"
         new[]
         {
@@ -57,6 +69,7 @@ public static class CommonMountNames
             (byte)'t', (byte)'e', (byte)'n', (byte)'t'
         };
 
+    /// <summary>"<c>@SdCardContent</c>"</summary>
     public static ReadOnlySpan<byte> ContentStorageSdCardMountName => // "@SdCardContent"
         new[]
         {
@@ -65,6 +78,7 @@ public static class CommonMountNames
         };
 
     // Registered update partition
+    /// <summary>"<c>@RegUpdate</c>"</summary>
     public static ReadOnlySpan<byte> RegisteredUpdatePartitionMountName => // "@RegUpdate"
         new[]
         {
@@ -72,9 +86,10 @@ public static class CommonMountNames
             (byte)'t', (byte)'e'
         };
 
+    /// <summary>"<c>@Nintendo</c>"</summary>
     public static ReadOnlySpan<byte> SdCardNintendoRootDirectoryName => // "Nintendo"
         new[]
         {
             (byte)'N', (byte)'i', (byte)'n', (byte)'t', (byte)'e', (byte)'n', (byte)'d', (byte)'o'
         };
-}
+}
\ No newline at end of file
diff --git a/src/LibHac/Fs/Shim/Host.cs b/src/LibHac/Fs/Shim/Host.cs
index fe0d78b5..dc9bc64f 100644
--- a/src/LibHac/Fs/Shim/Host.cs
+++ b/src/LibHac/Fs/Shim/Host.cs
@@ -19,12 +19,13 @@ namespace LibHac.Fs.Shim;
 /// <summary>
 /// Contains functions for mounting file systems from a host computer.
 /// </summary>
-/// <remarks>Based on nnSdk 11.4.0</remarks>
+/// <remarks>Based on nnSdk 13.4.0</remarks>
 [SkipLocalsInit]
 public static class Host
 {
-    private static ReadOnlySpan<byte> HostRootFileSystemPath => // "@Host:/"
-        new[] { (byte)'@', (byte)'H', (byte)'o', (byte)'s', (byte)'t', (byte)':', (byte)'/' };
+    /// <summary>"<c>@Host:/</c>"</summary>
+    private static ReadOnlySpan<byte> HostRootFileSystemPath =>
+            new[] { (byte)'@', (byte)'H', (byte)'o', (byte)'s', (byte)'t', (byte)':', (byte)'/' };
 
     private const int HostRootFileSystemPathLength = 7;
 
@@ -122,12 +123,6 @@ public static class Host
     private static Result OpenHostFileSystem(FileSystemClient fs, ref UniqueRef<IFileSystem> outFileSystem,
         U8Span mountName, U8Span path, MountHostOption option)
     {
-        if (mountName.IsNull())
-            return ResultFs.NullptrArgument.Log();
-
-        if (path.IsNull())
-            return ResultFs.NullptrArgument.Log();
-
         if (WindowsPath.IsWindowsDrive(mountName))
             return ResultFs.InvalidMountName.Log();
 
@@ -167,9 +162,6 @@ public static class Host
         Result rc = fs.Impl.CheckMountName(mountName);
         if (rc.IsFailure()) return rc;
 
-        if (path.IsNull())
-            return ResultFs.NullptrArgument.Log();
-
         outMountNameGenerator.Reset(new HostCommonMountNameGenerator(path));
 
         if (!outMountNameGenerator.HasValue)