fix links on teaching page

Author: animesh-garg

_pages/teaching.md

@@ -13,11 +13,11 @@ pretty_table: true
 | Title                                            | Course                                                                                             | Institution           | Role          | Term(s)                                                                      |
 | ------------------------------------------------ | -------------------------------------------------------------------------------------------------- | --------------------- | ------------- | ---------------------------------------------------------------------------- |
 | Intro to Artificial Intelligence                 | [CS 3600](https://oscar.gatech.edu/bprod/bwckschd.p_disp_detail_sched?term_in=202502&crn_in=21464) | Georgia Tech          | Instructor    | S-25                                                                         |
-| Deep Reinforcement Learning                      | [CS 8803](https://pair.toronto.edu/cs8803-drl-f24/)                                                | Georgia Tech          | Instructor    | F-24                                                                         |
-| Introduction to Reinforcement Learning           | [CSC 498](http://pair.toronto.edu/csc498-f21)                                                      | University of Toronto | Instructor    | W-21, F-21                                                                   |
-| Algorithmic Intelligence in Robotics             | [CSC 375](http://pair.toronto.edu/csc375-f20)                                                      | University of Toronto | Instructor    | F-20, W-22                                                                   |
-| Topics in Computer Vision: Advances in 3D Vision | [CSC 2547](http://pair.toronto.edu/csc2547-w21)                                                    | University of Toronto | Instructor    | W-21                                                                         |
-| Topics in Robotics: Deep Reinforcement Learning  | [CSC 2621](http://pair.toronto.edu/csc2621-w20/#)                                                  | University of Toronto | Instructor    | W-20                                                                         |
+| Deep Reinforcement Learning                      | [CS 8803](https://www.pair.toronto.edu/cs8803-drl-f24/)                                            | Georgia Tech          | Instructor    | F-24                                                                         |
+| Introduction to Reinforcement Learning           | [CSC 498](https://www.pair.toronto.edu/csc498-f21)                                                 | University of Toronto | Instructor    | W-21, F-21                                                                   |
+| Algorithmic Intelligence in Robotics             | [CSC 375](https://www.pair.toronto.edu/csc375-f20)                                                 | University of Toronto | Instructor    | F-20, W-22                                                                   |
+| Topics in Computer Vision: Advances in 3D Vision | [CSC 2547](https://www.pair.toronto.edu/csc2547-w21)                                               | University of Toronto | Instructor    | [W-21](https://www.youtube.com/channel/UCrsmAXnwu6sgccWevW12Dfg)             |
+| Topics in Robotics: Deep Reinforcement Learning  | [CSC 2621](https://wwww.pair.toronto.edu/csc2621-w20)                                              | University of Toronto | Instructor    | W-20                                                                         |
 | Advanced Survey of Reinforcement Learning        | [CS 332](http://cs332.stanford.edu/#!index.md)                                                     | Stanford University   | Co-Instructor | [F-17](http://web.stanford.edu/class/archive/cs/cs332/cs332.1182/#!index.md) |
 
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