upd installation

Author: brendan-ostlund

README.md

@@ -30,7 +30,11 @@ The examples in this repository use and require Python >= 3.6.
 
 All examples require the [specparam](https://github.com/fooof-tools/fooof) module.
 
-Additional required Python modules are listed in `requirements.txt` file, and can be installed via **pip install -r requirements.txt** in the Terminal.
+Additional required Python modules are listed in `requirements.txt` file, and can be installed via 
+```
+pip install -r requirements.txt
+```
+in the Terminal.
 
 The R example requires [R](https://www.r-project.org/), including the following modules: