diff --git a/content/hardware/_unlisted/boards/101/product.md b/content/hardware/_unlisted/boards/101/product.md
index b9b7d1b349..f9754efac4 100644
--- a/content/hardware/_unlisted/boards/101/product.md
+++ b/content/hardware/_unlisted/boards/101/product.md
@@ -1,4 +1,4 @@
 ---
-title: 101
+title: "101"
 certifications: [CE]
----
\ No newline at end of file
+---
diff --git a/content/learn/03.programming/10.audio/audio.md b/content/learn/03.programming/10.audio/audio.md
index 765e0f233c..e61d3df697 100644
--- a/content/learn/03.programming/10.audio/audio.md
+++ b/content/learn/03.programming/10.audio/audio.md
@@ -1,14 +1,6 @@
 ---
 title: "Audio Basics with Arduino"
 description: "Learn how to create tones and even entire songs using an Arduino."
-source:
-  [
-    "https://playground.arduino.cc/Main/Freqout/",
-    "https://playground.arduino.cc/Code/MusicalAlgoFun/",
-    "https://playground.arduino.cc/Code/PCMAudio/",
-    "https://playground.arduino.cc/Main/RickRoll/",
-    "https://playground.arduino.cc/Main/Smoothstep/",
-  ]
 author: "Paul Badger, Alexandre Quessy, Michael Smith, Samantha Lagestee, Dan Thompson"
 ---