diff --git a/KNR C/ex1_10.c b/KNR C/ex1_10.c
index 18d39d9..941bfc4 100644
--- a/KNR C/ex1_10.c	
+++ b/KNR C/ex1_10.c	
@@ -1,13 +1,13 @@
 #include <stdio.h>
 
 int main(){
-int a = 0;
+int a = 0; /*Initializing a as zero; this doesn't matter because getchar is called at the top of the loop */
 
 	while (a != EOF){
 
 		a = getchar();
 
-		if (a == '\b' || a == '\t' || a == '\\'){
+		if (a == '\b' || a == '\t' || a == '\\'){ /*Test whether the currently selected character is a tab, backspace, or backslash */
 			if (a == '\b'){
 				printf("\\b");
 				continue;
@@ -15,7 +15,7 @@ int a = 0;
 			if (a == '\t'){
 				printf("\\t");
 				continue;
-			} else {
+			} else { /*There are only three possible cases here, and by the time we get here, we've tested two, hence an else statement is more efficient than doing another entire if statement*/
 				printf("\\\\");
 				continue;
 			}