diff --git a/README.md b/README.md
index f389eca..520e928 100644
--- a/README.md
+++ b/README.md
@@ -5,25 +5,25 @@
     <---------------------------------------------->
               16 bits                       8 bits
     <---------------------->            <---------->
-    +----------------------------------------------+  <---------------------+
-  0 |                IDENTIFICATOR                 |                        |
-    +----------------------------------------------+                        |
-  1 |          ARCH        |          OS           |                        |
-    +----------------------------------------------+                        |
-  2 |                     TIME                     |                        |
-    +----------------------------------------------+                        |
-  3 |          TYPE        |   PROT.   |    VER    |    Base informations.  |
-    +----------------------------------------------+       Frame 0-9        |
-  4 |           HL         |          MDL          |       + OPTIONS.       |
-    +----------------------------------------------+                        |
-5-9 |                   RESERVED                   |                        |
-    +----------------------------------------------+                        |
-    |                   OPTIONS                    |  <---------------------+
-    +----------------------------------------------+  <---------------------+
-    |                   METADATA                   |                        |
-    +----------------------------------------------+         Contents.      |
-    |                   PAYLOAD                    |   Frame post-OPTIONS-n.|
-    +----------------------------------------------+  <---------------------+
+    +----------------------------------------------+  <----------------------+
+  0 |                IDENTIFICATOR                 |                         |
+    +----------------------------------------------+                         |
+  1 |          ARCH        |          OS           |                         |
+    +----------------------------------------------+                         |
+  2 |                     TIME                     |                         |
+    +----------------------------------------------+                         |
+  3 |          TYPE        |   PROT.   |    VER    |    Base informations.   |
+    +----------------------------------------------+       Frame 0-9         |
+  4 |           HL         |          MDL          |       + OPTIONS.        |
+    +----------------------------------------------+                         |
+5-9 |                   RESERVED                   |                         |
+    +----------------------------------------------+                         |
+    |                   OPTIONS                    |  <----------------------+
+    +----------------------------------------------+  <----------------------+
+    |                   METADATA                   |                         |
+    +----------------------------------------------+         Contents.       |
+    |                   PAYLOAD                    |   Frame post-OPTIONS-n. |
+    +----------------------------------------------+  <----------------------+
 ```
 
 **Description**