diff --git a/README.md b/README.md
index 230ddd6..9e55718 100644
--- a/README.md
+++ b/README.md
@@ -3,13 +3,14 @@
 ## Usage
 
 ```bash
-./Assembleur [--help] [--version] [--output file] [--format type] file
+./Assembleur [--help] [--reversed] [--version] [--output file] [--format type] file
 ```
 
 There are 3 format types :
  - "int" : 32 bits integers are written. Exemple : `10878976`
- - "binint" (default) : bits are written. Exemple : `00000000 10100110 00000000 00000000`
+ - "binint" : bits are written. Exemple : `00000000 10100110 00000000 00000000`
  - "bin" : the file is written in pure binary
+ - "logisim" (default) : the file is written in binary for use in LogiSim
 
 ## Exemple
 
@@ -22,6 +23,7 @@ operations:
 	or R1 R7 R3
 	sl R5 R2 #10
 	sr R1 R2 R3
+	mult R1 R1 R3
 io:
 	str R1 R2 R3
 	ld R1 R2 R3
@@ -46,12 +48,13 @@ Produces
 00110000 10100110 00000000 00000000
 01010000 10100110 00000000 00000000
 01100000 10100110 00000000 00000000
+01110000 10100110 00000000 00000000
 01000001 01001100 00000000 00000000
 01010001 01001100 00000000 00000000
 11000000 00000000 00000000 00000101
 11010001 01010000 00000000 00000011
 11100001 01010000 00000000 00000010
-11110001 01010000 00000000 00001100
+11110001 01010000 00000000 00001101
 11000001 01000000 00000000 00000001
 11010100 00000000 00000000 00000111
 11100000 00000000 00000000 00000000