Update README.md

README.md

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 # Asteroids AI
 ## How to Use
 ### Play Game/View AI
-You can play the game for yourself and see the observe an AI trained by the algorithm at [siva-tanikonda.github.io/asteroids-ai](https://siva-tanikonda.github.io/asteroids-ai/)
+You can play the game for yourself and see the observe an AI trained by the algorithm at [siva-tanikonda.github.io/asteroids-ai](https://siva-tanikonda.github.io/asteroids-ai/).
 
 *Note: The amount of asteroids on-screen scales with the resolution of the game window, so your results may vary from the training results. In addition, the game-speed variable doesn't change the rate at which the AI updates its decision, which is intentional and is another way of stress-testing the AI.*
 ### Using the Trainer
 #### Install Node.js
-You can install this at [nodejs.org](https://nodejs.org/)
+You can install this at [nodejs.org](https://nodejs.org/).
 #### Install NPM Packages
 To install the packages necessary for the trainer, run:
 ```
 $ npm install
 ```
-*You need to install Node.js first and make sure to execute this command in the project directory*
+*You need to install Node.js first and make sure to execute this command in the project directory.*
 #### Run Trainer
-* First, you should alter any parameters you want to in *asteroids-ai/Training/trainer.js*
+* First, you should alter any parameters you want to in *asteroids-ai/Training/trainer.js*.
 * Then, to run the trainer, execute the following command (in the *Training* directory):
   ```
   $ node trainer.js
   ```
-* To monitor the progress of the training, go to [localhost:2000](http://localhost:2000) in your browser
+* To monitor the progress of the training, go to [localhost:2000](http://localhost:2000) in your browser.
 #### Run Evaluator
-* First, you should alter any parameters in *asteroids-ai/Training/evaluator.js*
+* First, you should alter any parameters in *asteroids-ai/Training/evaluator.js*.
 * Then, to run the evaluator, execute the following command (in the *Training* directory)
   ```
   $ node evaluator.js
   ```
 
 ## AI Strategy & Training Methodology
-A complete overview of the project (including the AI strategy and training methodology) can be found in the Wiki: https://github.com/siva-tanikonda/asteroids-ai/wiki
+A complete overview of the project (including the AI strategy and training methodology) can be found in the Wiki: https://github.com/siva-tanikonda/asteroids-ai/wiki.
+
+## Tools/Libraries Used
+### Node.js
+This is a JavaScript runtime environment you can learn more about at [nodejs.org](https://nodejs.org/).
+### Express
+This is a web framework used used with Node.js that you can learn more about at [expressjs.com](https://expressjs.com/).
+### Socket.io
+This is a WebSocket library that is used with Node.js (and in the case of the trainer, along with Express as well), and you can learn more about it at [socket.io](https://socket.io/).
+### seedrandom
+This is a seeded random number generator for JavaScript that you can learn about at [npmjs.com/package/seedrandom](https://www.npmjs.com/package/seedrandom).