diff --git a/README.md b/README.md
index b4c0d5a..31c7ba5 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,10 @@
 # Expyriment documentation source
 Used to build online documentation via CI at http://docs.expyriment.org.
 
-## How to build manually
+## How to build manually (requires the unix `make` command)
 1. Clone this repository
 2. Clone [expyriment source](https://github.com/expyriment/expyriment)
-3. To build the HTML documentation, run
-  `make html EXPYRIMENT_PATH=<path-to-expyriment-source>`
-  where <path-to-expyriment-source is a (relative or absolute) path to the cloned expyriment source from step 2
-4 Find the built html files in `_build/html`
+3. To build the HTML documentation, run  
+  ```make html EXPYRIMENT_PATH=<path-to-expyriment-source>```  
+  where `<path-to-expyriment-source>` is a (relative or absolute) path to the cloned expyriment source from step 2
+4. Find the built html files in the directory __build/html_