diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 6189ac5..ff134a5 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,7 +13,7 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "UNB/Year 5/Semester 2/CS4745/Lecture Notes.md",
+                "file": "UNB/Year 5/Semester 2/CS4613/Lecture Notes.md",
                 "mode": "source",
                 "source": false
               },
@@ -167,9 +167,9 @@
   },
   "active": "a4868a0d0ec2cb3a",
   "lastOpenFiles": [
+    "UNB/Year 5/Semester 2/CS4745/Lecture Notes.md",
     "UNB/Year 5/Semester 2/CS3383/Lecture Notes.md",
     "UNB/Year 5/Semester 2/CS4725/Lecture Notes.md",
-    "UNB/Year 5/Semester 2/CS4745/Lecture Notes.md",
     "UNB/Year 5/Semester 2/CS4725",
     "UNB/Year 5/Semester 2/CS4613/Lecture Notes.md",
     "UNB/Year 5/Semester 2/CS4613",
diff --git a/UNB/Year 5/Semester 2/CS4613/Lecture Notes.md b/UNB/Year 5/Semester 2/CS4613/Lecture Notes.md
index 513fbfc..b45f9e2 100644
--- a/UNB/Year 5/Semester 2/CS4613/Lecture Notes.md	
+++ b/UNB/Year 5/Semester 2/CS4613/Lecture Notes.md	
@@ -3,3 +3,7 @@ TODO: Go over slide 2 stuff and fill in
 # Lecture 2
 ## S-Expressions
 ### Simplified Calculator Parser
+
+# Lecture 3: Local binding
+Stacker helps show the enviroment, heap allocations, and stackframes
+