diff --git a/index.ipynb b/index.ipynb
index 3f676d4..9dc8314 100644
--- a/index.ipynb
+++ b/index.ipynb
@@ -38,7 +38,7 @@
     "2. Fork the repository on GitHub so you have your own copy there\n",
     "3. Copy the URL of your repository\n",
     "4. Open a terminal window (terminal on a Mac, Git Bash on Windows)\n",
-    "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).\n",
+    "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).\n",
     "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.\n",
     "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) \n",
     "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."