diff --git a/Hack.Xenosaga/Common/Functions.cs b/Hack.Xenosaga/Common/Functions.cs
index 59bfc4b..15531f1 100644
--- a/Hack.Xenosaga/Common/Functions.cs
+++ b/Hack.Xenosaga/Common/Functions.cs
@@ -15,6 +15,7 @@ namespace Hack.Xenosaga.Common
             Trace.WriteLine("             -u = Unpack files from index");
             Trace.WriteLine("             -p = Pack files from index");
             Trace.WriteLine("             -e = Extract text from file");
+            Trace.WriteLine("             -i = Insert text from file");
             Trace.WriteLine("  file    : Index file (the first one of each decade : xenosaga.00, xenosaga.10, xenosaga.20...)");
             Trace.WriteLine("  encode  : (-e) Encoding of the output/input file (ANSI( default), ASCII, UTF8, UNICODE)");
             Trace.WriteLine("  regroup : (-p) true to pack all files in only one (ex: 11, 12, 13 in 11) ; false or empty (default) to keep the same system of increment files");
diff --git a/README.md b/README.md
index 78c4402..966e404 100644
--- a/README.md
+++ b/README.md
@@ -2,11 +2,13 @@ Tool dedicated to isohacking for Xenosaga on Playstation 2
 
 <pre>
 Usage :
-xenosaga &lt;option&gt; &lt;file&gt; [regroup]
+xenosaga &lt;option&gt; &lt;file&gt; [encode/regroup]
   option   : -l = List files from index
              -u = Unpack files from index
              -p = Pack files from index
-             -e = Extract text from file
+             -e = Extract scripts
+             -i = Insert scripts
   file    : Index file (the first one of each decade : xenosaga.00, xenosaga.10, xenosaga.20...)
-  regroup : true to pack all files in only one (ex: 11, 12, 13 in 11) ; false or empty (default) to keep the same system of increment files
+  encode  : (-e/-i) Encoding of the output/input file (ANSI( default), ASCII, UTF8, UNICODE)
+  regroup : (-p) true to pack all files in only one (ex: 11, 12, 13 in 11) ; false or empty (default) to keep the same system of increment files
 </pre>
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