diff --git a/KATs/Ascon-128a_KAT.js b/KATs/Ascon-128a_KAT.js
index 80c3f5d..74a804d 100644
--- a/KATs/Ascon-128a_KAT.js
+++ b/KATs/Ascon-128a_KAT.js
@@ -25,17 +25,18 @@ function ascon_128a_KAT(){
         try {
             var ct_to_test = ascon_aead(key, nonce, ad, pt, operation, variant).toUpperCase();
         } catch (error) {
-            console.log("failed test: "+ascon_128a_kats[i].Count);
+            console.log(`Error in test case ${ascon_128a_kats[i].Count}: ${error}`);
         }
         
         if(ct == ct_to_test){
             passed += 1;
         } else {
             failed += 1;
+            console.log(`failed test: ${ascon_128a_kats[i].Count}`);
         }
     }
 
-    var print_encryption_KAT_result = "(encryption):\npassed: "+passed+"\nfailed: "+failed;
+    var print_encryption_KAT_result = `(encryption):\npassed: ${passed}\nfailed: ${failed}`;
     console.log(print_encryption_KAT_result);
 
 
@@ -53,13 +54,14 @@ function ascon_128a_KAT(){
         try {
             var pt_to_test = ascon_aead(key, nonce, ad, ct.toLowerCase(), operation, variant).toUpperCase();
         } catch (error) {
-            console.log("failed test: "+ascon_128a_kats[i].Count);
+            console.log(`Error in test case ${ascon_128a_kats[i].Count}: ${error}`)
         }
         
         if(pt == pt_to_test){
             passed += 1;
         } else {
             failed += 1;
+            console.log(`failed test: ${ascon_128a_kats[i].Count}`);
         }
     }
 
@@ -68,8 +70,8 @@ function ascon_128a_KAT(){
         note = "\n\nnote: you can view the failed tests in the console";
     }
 
-    var print_decryption_KAT_result = "\n(decryption):\npassed: "+passed+"\nfailed: "+failed;
+    var print_decryption_KAT_result = `\n(decryption):\npassed: ${passed}\nfailed: ${failed}`;
     console.log(print_decryption_KAT_result);
 
     return print_title+"\n"+print_encryption_KAT_result+"\n"+print_decryption_KAT_result+note;
-}
\ No newline at end of file
+}