diff --git a/KNR C/ex1_10_improved.c b/KNR C/ex1_10_improved.c
index 3b0cbbc..2b4ed2d 100644
--- a/KNR C/ex1_10_improved.c	
+++ b/KNR C/ex1_10_improved.c	
@@ -4,9 +4,8 @@
  * as opposed to a series of if statements*/
 
 int main(){
-int a = 0; /*Initialized as 0 becasue getchar is called both on loop entry, and after every successful execution*/
 
-	for (a = 0; a != EOF; a = getchar()){
+	for (int a = getchar(); a != EOF; a = getchar()){
 		switch (a){
 			case '\t':
 				printf ("\\t");