diff --git a/README.md b/README.md
index 93c3cc502022cd14f481ba47d730e9bac9d4dafd..0737a7168d6d5013a22c115ade33f42bf22aa91c 100644
--- a/README.md
+++ b/README.md
@@ -11,10 +11,10 @@ Mini-workshop/tutorial on design of microfabrication layout patterning masks.
 -  Python 3 + Pip + Packages
     -  Windows: Follow [these](https://phoenixnap.com/kb/how-to-install-python-3-windows) instructions up to step 5.
     -  Mac OS/Linux: Usually comes pre-installed only with Python 2. Use package manager of your liking (e.g. [Homebrew](https://brew.sh) on Mac, [APT-GET](https://phoenixnap.com/kb/how-to-use-apt-get-commands) on Linux) to install Python 3.
-        - gdspy
-            - Documentation [here](https://gdspy.readthedocs.io/en/stable/gettingstarted.html)
-            - Install using Pip: `python3 -m pip install gdspy` in command line/terminal
-        - tkinter
-            - Optional, used for real-time-ish visualization of patterns.
-            - Documentation [here](https://docs.python.org/3/library/tkinter.html)
-            - Install using Pip: `python3 -m pip install tk` in command line/terminal
+    - gdspy
+        - Documentation [here](https://gdspy.readthedocs.io/en/stable/gettingstarted.html)
+        - Install using Pip: `python3 -m pip install gdspy` in command line/terminal
+    - tkinter
+        - Optional, used for real-time-ish visualization of patterns.
+        - Documentation [here](https://docs.python.org/3/library/tkinter.html)
+        - Install using Pip: `python3 -m pip install tk` in command line/terminal