Fixed broken link to lecture slides.

Author: ian-mitchell

notes/week11/class11A.md

@@ -3,10 +3,10 @@
 Today we will be working on creating some music (and later linking it back to Graphs)!
 
 <div>
-<iframe src="../../Lec16_MHall.pdf" width="100%" height="600px" frameBorder="0"> </iframe>
+<iframe src="../../Lec16_MHaLL.pdf" width="100%" height="600px" frameBorder="0"> </iframe>
 </div>
 
-[Download the Slides from today](https://github.com/ubc-cs/cpsc203/raw/main/files/Lec16_MHall.pdf)
+[Download the Slides from today](https://github.com/ubc-cs/cpsc203/raw/main/files/Lec16_MHaLL.pdf)
 
 ## Topics for today's lecture