diff --git a/640.md b/640.md
index 91b396a..f78bb8b 100644
--- a/640.md
+++ b/640.md
@@ -24,7 +24,7 @@ $ git clone https://github.com/darkwaterfoundation/darkwater_python_640.git
 
 ### Example scripts
 
-Now that you have downloaded the 640 libraries you should have a new directory called **darkwater_python_640**, so let's move into that directory
+Now that you have downloaded the 640 libraries you should have a new directory called *darkwater_python_640, so let's move into that directory
 
 ``` bash
 $ cd ./darkwater_python_640
@@ -36,7 +36,7 @@ If you list the files in this directory, you should see a few test scripts
 $ ls -al
 ```
 
-#### 640motortest.py
+**640motortest.py**
 
 This script will start each motor port, in the forwards direction, in turn from left to right and then do the same backwards. To run the script enter the following:
 
@@ -44,7 +44,7 @@ This script will start each motor port, in the forwards direction, in turn from
 $ python 640motortest.py
 ```
 
-#### 640servotest.py
+**640servotest.py**
 
 This script will move any servos connected to the servo headers left, then center, then right. To run the script enter the following:
 
@@ -52,7 +52,7 @@ This script will move any servos connected to the servo headers left, then cente
 $ python 640servotest.py
 ```
 
-#### 640steppertest.py
+**640steppertest.py**
 
 This script divides the 6 motor ports into 3 stepper motor ports. Motor 1 and 2 will be stepper 1, motor 3 and 4 will be stepper 2 and motor 5 and 6 will be stepper 3.