Code blocks in my markdown pls

README.md

@@ -2,10 +2,12 @@
 
 * A simple polynomial calculator in lisp
 
-* Polynomials are in the form 
+* Polynomials are in the form:
+
     '(((SYMBOL EXPONENT) MULTIPLIER) ((SYMBOL EXPONENT) MULTIPLIER))
 
 * For example this:
+
     '(((x 2) 5) ((((x y) (2 3)) 5))) = 5x^2 + 5x^2y^3
 
 * The functions that exist are poly+ poly- poly*