diff --git a/Client---Server-protocol-draft.md b/Client---Server-protocol-draft.md
index b90a7d7..773815b 100644
--- a/Client---Server-protocol-draft.md
+++ b/Client---Server-protocol-draft.md
@@ -6,6 +6,7 @@ This is a proposition for the client -> server communication protocol. The idea
 	  <tr>
 	    <th>Token</th>
 			<th>Command</th>
+			<th>Argument size</th>
 			<th>Arguments</th>
 			<th>Description</th>
 	  </tr>
@@ -14,18 +15,21 @@ This is a proposition for the client -> server communication protocol. The idea
 	  <tr>
 	    <td></td>
 			<td>__hello</td>
+			<td>0</td>
 			<td></td>
 			<td></td>
 	  </tr>
 	  <tr>
 	    <td>&lt;#ref_num&gt;</td>
 			<td>__echo</td>
+			<td></td>
 			<td>optional message</td>
 			<td></td>
 	  </tr>
 	  <tr>
 	    <td>&lt;#ref_num&gt;</td>
 			<td>__define</td>
+			<td></td>
 			<td>&quot;JavaScript&quot;</td>
 			<td></td>
 	  </tr>
@@ -34,6 +38,7 @@ This is a proposition for the client -> server communication protocol. The idea
 			<td>__start</td>
 			<td></td>
 			<td></td>
+			<td></td>
 	  </tr>
 	  <tr>
 	    <td>&lt;#ref_num&gt;</td>
@@ -44,18 +49,21 @@ This is a proposition for the client -> server communication protocol. The idea
 	  <tr>
 	    <td>lt;#ref_num&gt;</td>
 			<td>__boot</td>
+			<td></td>
 			<td>&lt;#ref_num&gt; &lt;#ref_num&gt;</td>
 			<td></td>
 	  </tr>
 	  <tr>
 	    <td>&lt;#ref_num&gt;</td>
 			<td>__error</td>
+			<td></td>
 			<td>optional message</td>
 			<td></td>
 	  </tr>
 	  <tr>
 	    <td>&lt;#ref_num&gt;</td>
 			<td>COMMAND</td>
+			<td></td>
 			<td>optional message</td>
 			<td></td>
 	  </tr>
@@ -70,6 +78,7 @@ This is a proposition for the client -> server communication protocol. The idea
 	  <tr>
 	    <th>Token</th>
 			<th>Command</th>
+			<td></td>
 			<th>Arguments</th>
 			<th>Description</th>
 	  </tr>
@@ -78,48 +87,56 @@ This is a proposition for the client -> server communication protocol. The idea
 		  <tr>
 		    <td>&lt;#ref_num&gt;</td>
 				<td>__ok_hello</td>
+			<td></td>
 				<td></td>
 				<td></td>
 		  </tr>
 		  <tr>
 		    <td>&lt;#ref_num&gt;</td>
 				<td>__ok_echo</td>
+			<td></td>
 				<td>optional message</td>
 				<td></td>
 		  </tr>
 		  <tr>
 		    <td>&lt;#ref_num&gt;</td>
 				<td>__ok_define</td>
+			<td></td>
 				<td>&quot;JavaScript&quot;</td>
 				<td></td>
 		  </tr>
 		  <tr>
 		    <td>&lt;#ref_num&gt;</td>
 				<td>__ok_start</td>
+			<td></td>
 				<td></td>
 				<td></td>
 		  </tr>
 		  <tr>
 		    <td>&lt;#ref_num&gt;</td>
 				<td>__ok_stop</td>
+			<td></td>
 				<td>optional message</td>
 				<td></td>
 		  </tr>
 		  <tr>
 		    <td>lt;#ref_num&gt;</td>
 				<td>___ok_boot</td>
+			<td></td>
 				<td>&lt;#ref_num&gt; &lt;#ref_num&gt;</td>
 				<td></td>
 		  </tr>
 		  <tr>
 		    <td>&lt;#ref_num&gt;</td>
 				<td>__error</td>
+			<td></td>
 				<td>optional message</td>
 				<td></td>
 		  </tr>
 		  <tr>
 		    <td>&lt;#ref_num&gt;</td>
 				<td>COMMAND</td>
+			<td></td>
 				<td>optional message</td>
 				<td></td>
 		  </tr>