update agilerl tutorials

.github/workflows/linux-tutorials-test.yml

@@ -18,7 +18,8 @@ jobs:
 
             matrix:
                 python-version: ['3.8', '3.9', '3.10', '3.11']
-                tutorial: [Tianshou, CustomEnvironment, CleanRL, SB3/kaz, SB3/waterworld, SB3/test]  # TODO: fix tutorials and add back Ray, fix SB3/connect_four tutorial
+                tutorial: [Tianshou, CustomEnvironment, CleanRL, SB3/kaz, SB3/waterworld, SB3/connect_four, SB3/test]  # TODO: fix tutorials and add back Ray
+
         steps:
             - uses: actions/checkout@v4
             - name: Set up Python ${{ matrix.python-version }}

docs/tutorials/agilerl/MADDPG.md

@@ -21,7 +21,7 @@ To follow this tutorial, you will need to install the dependencies shown below.
 ```
 
 ## Code
-### Train multiple agents using MADDPG
+### Train agents using MADDPG
 The following code should run without any issues. The comments are designed to help you understand how to use PettingZoo with AgileRL. If you have any questions, please feel free to ask in the [Discord server](https://discord.com/invite/eB8HyTA2ux).
 
 ```{eval-rst}