Updated from source to conda

README.md

@@ -17,7 +17,7 @@ Remember from the last lesson, you need to:
 2. Fork the repository on GitHub so you have your own copy there
 3. Copy the URL of your repository
 4. Open a terminal window (terminal on a Mac, Git Bash on Windows)
-5. Make sure to activate your conda virtual environment so you have the right version of Python and all of the necessary packages. On a mac or in Git Bash on Windows, type `source activate learn-env`. (If you *have* to use the conda shell on windows, type `activate learn-env` instead).
+5. Make sure to activate your conda virtual environment so you have the right version of Python and all of the necessary packages. On a mac or in Git Bash on Windows, type `conda activate learn-env`. (If you *have* to use the conda shell on windows, type `activate learn-env` instead).
 6. Clone (download) the files to your hard drive by typing `git clone ` and then pasting the URL of your repo you saved in step 3.
 7. Type `cd ` followed by the name of the directory you just created (running the `ls` command will show you the name of the directory you downloaded) 
 7. Run the `jupyter notebook` command to start up Jupyter, and in the browser window that opens, navigate to and click on the `index.ipynb` notebook.