Update README.md

Week 5/README.md

@@ -30,7 +30,7 @@ Looing at Euler's Method, we also realize that to work out the position, we use
 This gives us a list of variables the Particle will have to contain to work all this out.
 
 > Write a list of the variables the Particle class will need. Try this yourself first and then look at the hidden list below. Make sure you understand why these variables are used!
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+<br/>
 <details>
   <summary> List of variables for a particle </summary>
 	
@@ -43,7 +43,7 @@ This gives us a list of variables the Particle will have to contain to work all
   | position |  
 
 </details>
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+<br/>
 Once we have the variables, we will need to consider what type each variable will be.
 
 > Look at the hidden variable list above if you have not already. For each variable, write down the type it should be. Try it yourself before looking at the list below.