diff --git a/README.md b/README.md
index 9da3937..246c9fc 100644
--- a/README.md
+++ b/README.md
@@ -150,7 +150,7 @@ while (str[i])
 *[\go to sommaire](#markdown-header-sommaire)*
 
 #### 3.1.2 application :
-~~~
+```Shell
       ['][a][r][g][1][ ]['][a][r][g][2]["][ ][a][r][g][3]["]
 c = 0  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .
 c =    1  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  str[i] == '     ;  q == 0  c == 0  ->  c++; q = '
@@ -188,7 +188,7 @@ c =    .  .  .  .  .  .  .  1  .  .  str[i] == "     ;  q != "  c == 2  ->
 ERROR ...
 c =    .  .  .  .  .  .  .  .  1  .  str[i] != ' | " ;                  ->
 c =    .  .  .  .  .  .  .  .  .  0  str[i] != ' | " ;                  ->
-~~~
+```
 
 *[\go to sommaire](#markdown-header-sommaire)*