diff --git a/src/a_pow_b.1 b/src/a_pow_b.1
index 1857b13..ba60490 100644
--- a/src/a_pow_b.1
+++ b/src/a_pow_b.1
@@ -1,11 +1,9 @@
 (2,4,5)
-ADD(i1,0,r0)
-ADD(i1,0,r1)
-ADD(i1,0,r2)
-ADD(1,0,r3)
-JE(i2,r3,4)
-MULT(r2,r0,r2)
-ADD(1,r3,r3)
-JUMP(-3)
-ADD(0,1,o0)
-ADD(r2,0,o1)
+ADD(i1,0,r0)        // r0 temp value to calculate
+ADD(1,0,r1)         // r1 loop counter
+JE(i2,r1,4)         // loop control (r1 == b)
+MULT(i1,r0,r0)      // r0 = r0*a
+ADD(1,r1,r1)        // increment loop counter
+JUMP(-3)            // loop
+ADD(0,1,o0)         // output size in o0
+ADD(r0,0,o1)        // o1 = a^b = i1^i2
diff --git a/src/ram.l b/src/ram.l
index bc071f6..e9049c7 100644
--- a/src/ram.l
+++ b/src/ram.l
@@ -16,7 +16,7 @@ ADD|SUB|MULT|DIV    { yylval = strdup(yytext); return OP;}
 JUMP|JE|JL          { yylval = strdup(yytext); return OP_CTRL;}
 [ ]*,[ ]*           {return COMMA;}
 \(                  {return PAR_O;}
-\)                  {return PAR_C;}
+\)[ ]*("//".*)?     {return PAR_C;}
 \n                  {return SEPARATION; }
 .                   {printf("token inconnu\n"); yyterminate();}
 %%