diff --git a/4_SL.C b/4_SL.C
index 7f56fd9..fa24f98 100644
--- a/4_SL.C
+++ b/4_SL.C
@@ -64,7 +64,7 @@ void main(){
 			new->data=x;
 			ptr->link=new;
 			break;
-		case 4: printf("\nEnter key: ");
+		case 4: printf("\nEnter key: "); //search
 			scanf("%d",&key);
 			ptr = header;
 			while(ptr->data!= key && ptr->link!=NULL){
@@ -145,4 +145,4 @@ void main(){
 
 	} // ENDWHILE
 	getch();
-}
\ No newline at end of file
+}
diff --git a/LINEARSE.C b/LINEARSE.C
index b19e2e4..4e81f24 100644
--- a/LINEARSE.C
+++ b/LINEARSE.C
@@ -18,7 +18,7 @@ void main(){
 	printf("\nEnter element to be searched: ");
 	scanf("%d",&key);
 
-	for(i=0;i<n;i++){
+	for(i=0;i<n;i++){		//searching begins
 		if(a[i]==key){
 			printf("\nElement found at\n index: %d",i);
 			printf("\n position: %d", i+1);
@@ -33,4 +33,4 @@ void main(){
 
 	getch();
 
-}
\ No newline at end of file
+}