diff --git a/IRDKit/IRDKit.csproj b/IRDKit/IRDKit.csproj
index 89bb46c..6d834b1 100644
--- a/IRDKit/IRDKit.csproj
+++ b/IRDKit/IRDKit.csproj
@@ -11,7 +11,7 @@
     <LangVersion>latest</LangVersion>
     <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Version>0.9.0</Version>
+    <Version>0.9.1</Version>
     
     <!-- Package Properties -->
     <Authors>Deterous</Authors>
diff --git a/IRDKit/Program.cs b/IRDKit/Program.cs
index af415db..6aaa3a0 100644
--- a/IRDKit/Program.cs
+++ b/IRDKit/Program.cs
@@ -97,6 +97,9 @@ namespace IRDKit
             [Option('s', "serial", HelpText = "Appends disc serial to new IRD filename")]
             public bool Serial { get; set; }
 
+            [Option('e', "version", HelpText = "Appends disc version to new IRD filename")]
+            public bool Ver { get; set; }
+
             [Option('c', "crc", HelpText = "Appends ISO CRC to new IRD filename")]
             public bool CRC { get; set; }
 
@@ -414,7 +417,7 @@ namespace IRDKit
                             {
                                 try
                                 {
-                                    RenameIRD(file, datfile, serial: opt.Serial, crc: opt.CRC, verbose: opt.Verbose);
+                                    RenameIRD(file, datfile, serial: opt.Serial, ver: opt.Ver, crc: opt.CRC, verbose: opt.Verbose);
                                 }
                                 catch (Exception e)
                                 {
@@ -435,7 +438,7 @@ namespace IRDKit
                             // Rename provided IRD path
                             try
                             {
-                                RenameIRD(irdPath, datfile, serial: opt.Serial, crc: opt.CRC, verbose: opt.Verbose);
+                                RenameIRD(irdPath, datfile, serial: opt.Serial, ver: opt.Ver, crc: opt.CRC, verbose: opt.Verbose);
                             }
                             catch (Exception e)
                             {
@@ -1034,7 +1037,7 @@ namespace IRDKit
             return node.Attribute("name").Value;
         }
 
-        public static void RenameIRD(string irdPath, XDocument datfile, bool serial = false, bool crc = false, bool verbose = false)
+        public static void RenameIRD(string irdPath, XDocument datfile, bool serial = false, bool ver = false, bool crc = false, bool verbose = false)
         {
             IRD ird = IRD.Read(irdPath);
 
@@ -1043,7 +1046,9 @@ namespace IRDKit
 
             string filename = GetDatFilename(ird, datfile) ?? throw new ArgumentException($"Cannot determine DAT filename for {irdPath}");
             if (serial)
-                filename += $" [{ird.TitleID.Substring(0, 4)}-{ird.TitleID.Substring(5, 5)}]";
+                filename += $" [{ird.TitleID.Substring(0, 4).Replace('\0', ' ')}-{ird.TitleID.Substring(4, 5).Replace('\0', ' ')}]";
+            if (ver)
+                filename += $" [{ird.DiscVersion.Replace('\0', ' ')}]";
             if (crc)
                 filename += $" [{ird.UID:X8}]";
 
diff --git a/IRDKit/README.md b/IRDKit/README.md
index d20b73b..e536c4c 100644
--- a/IRDKit/README.md
+++ b/IRDKit/README.md
@@ -39,3 +39,9 @@ For all options, run `irdkit help diff`
 
 To compare two IRDs, run `irdkit diff game1.ird game2.ird`
 The comparison can be printed to a file, e.g. `-o out.txt` or `--output=`
+
+## Renaming IRDs
+
+For all options, run `irdkit help rename`
+
+To rename an IRD (or folder of IRDs) according to a redump DAT, run `irdkit rename -d redump.dat game.ird`
diff --git a/README.md b/README.md
index d923333..3f8f7d8 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ IRDKit is a tool that allows direct use of LibIRD functionality from a command l
 - Printing info about all ISOs and IRDs in a folder: `irdkit info .`
 - Creating an IRD from an ISO: `irdkit create game.iso`
 - Finding differences between two IRDs: `irdkit diff game1.ird game2.ird`
-- Renaming a folder of IRDs using a redump DAT: `irdkit rename -d redump.dat IRDs\`
+- Renaming an IRD or folder of IRDs using a redump DAT: `irdkit rename -d redump.dat game.ird`
 
 For detailed usage, read more [here](IRDKit).