diff --git a/content/notes/09-stacks-and-queues.md b/content/notes/09-stacks-and-queues.md
index 8d79efe42..6eb7947b4 100644
--- a/content/notes/09-stacks-and-queues.md
+++ b/content/notes/09-stacks-and-queues.md
@@ -1,6 +1,6 @@
 ---
 title: "09-stacks-and-queues"
-tags: 
+tags: cosc201 lecture
 ---
 
 # 09-stacks-and-queues
diff --git a/content/notes/10-heaps-and-heapsort.md b/content/notes/10-heaps-and-heapsort.md
index 7cf43ed96..a3d153ad1 100644
--- a/content/notes/10-heaps-and-heapsort.md
+++ b/content/notes/10-heaps-and-heapsort.md
@@ -1,6 +1,6 @@
 ---
 title: "10-heaps-and-heapsort"
-tags: 
+tags: cosc201 leacture
 ---
 
 # 10-heaps-and-heapsort
diff --git a/content/notes/cosc-201.md b/content/notes/cosc-201.md
index 649ff77fa..56d455f87 100644
--- a/content/notes/cosc-201.md
+++ b/content/notes/cosc-201.md
@@ -2,7 +2,7 @@
 title: "cosc-201"
 year: 2022
 semester: 1
-tags: course cosc201
+tags: course, cosc201
 ---
 
 # Cosc 201