diff --git a/curriculum/challenges/english/25-front-end-development/workshop-music-instrument-filter/67213ce0a2ba1278a38df3a5.md b/curriculum/challenges/english/25-front-end-development/workshop-music-instrument-filter/67213ce0a2ba1278a38df3a5.md
index 2c9ba5b28da..6d671817950 100644
--- a/curriculum/challenges/english/25-front-end-development/workshop-music-instrument-filter/67213ce0a2ba1278a38df3a5.md
+++ b/curriculum/challenges/english/25-front-end-development/workshop-music-instrument-filter/67213ce0a2ba1278a38df3a5.md
@@ -22,25 +22,25 @@ testDiv.classList.add("products-container");
 testDiv.innerHTML = cardsArr;
 selectContainer.value = "all";
 selectContainer.dispatchEvent(new Event("change"));
-assert(productsContainer.isEqualNode(testDiv))
+assert.isTrue(productsContainer.isEqualNode(testDiv));
 
 cardsArr = getCardsArr("woodwinds");
 testDiv.innerHTML = cardsArr;
 selectContainer.value = "woodwinds";
 selectContainer.dispatchEvent(new Event("change"));
-assert(productsContainer.isEqualNode(testDiv))
+assert.isTrue(productsContainer.isEqualNode(testDiv));
 
 cardsArr = getCardsArr("brass");
 testDiv.innerHTML = cardsArr;
 selectContainer.value = "brass";
 selectContainer.dispatchEvent(new Event("change"));
-assert(productsContainer.isEqualNode(testDiv))
+assert.isTrue(productsContainer.isEqualNode(testDiv));
 
 cardsArr = getCardsArr("percussion");
 testDiv.innerHTML = cardsArr;
 selectContainer.value = "percussion";
 selectContainer.dispatchEvent(new Event("change"));
-assert(productsContainer.isEqualNode(testDiv))
+assert.isTrue(productsContainer.isEqualNode(testDiv));
 ```
 
 You should remove `console.log(instrumentCards(selectContainer.value))` from your event listener's callback.
@@ -61,7 +61,7 @@ try {
 
 # --seed--
 
-## --after-user-code-- 
+## --after-user-code--
 
 ```js
 const allInstrmnts = [
diff --git a/curriculum/challenges/english/25-front-end-development/workshop-music-instrument-filter/672146dde7104896adb274ae.md b/curriculum/challenges/english/25-front-end-development/workshop-music-instrument-filter/672146dde7104896adb274ae.md
index 8b47178eeef..4dc0852395a 100644
--- a/curriculum/challenges/english/25-front-end-development/workshop-music-instrument-filter/672146dde7104896adb274ae.md
+++ b/curriculum/challenges/english/25-front-end-development/workshop-music-instrument-filter/672146dde7104896adb274ae.md
@@ -22,30 +22,30 @@ testDiv.classList.add("products-container");
 testDiv.innerHTML = cardsArr;
 selectContainer.value = "all";
 selectContainer.dispatchEvent(new Event("change"));
-assert(productsContainer.isEqualNode(testDiv))
+assert.isTrue(productsContainer.isEqualNode(testDiv));
 
 cardsArr = getCardsArr("woodwinds");
 testDiv.innerHTML = cardsArr;
 selectContainer.value = "woodwinds";
 selectContainer.dispatchEvent(new Event("change"));
-assert(productsContainer.isEqualNode(testDiv))
+assert.isTrue(productsContainer.isEqualNode(testDiv));
 
 cardsArr = getCardsArr("brass");
 testDiv.innerHTML = cardsArr;
 selectContainer.value = "brass";
 selectContainer.dispatchEvent(new Event("change"));
-assert(productsContainer.isEqualNode(testDiv))
+assert.isTrue(productsContainer.isEqualNode(testDiv));
 
 cardsArr = getCardsArr("percussion");
 testDiv.innerHTML = cardsArr;
 selectContainer.value = "percussion";
 selectContainer.dispatchEvent(new Event("change"));
-assert(productsContainer.isEqualNode(testDiv))
+assert.isTrue(productsContainer.isEqualNode(testDiv));
 ```
 
 # --seed--
 
-## --after-user-code-- 
+## --after-user-code--
 
 ```js
 const allInstrmnts = [