diff --git a/trick_sims/SIM_contact/README.md b/trick_sims/SIM_contact/README.md
index bf17205c..f8cc8bf7 100644
--- a/trick_sims/SIM_contact/README.md
+++ b/trick_sims/SIM_contact/README.md
@@ -1,4 +1,4 @@
-#SIM_contact
+# SIM_contact
 
 SIM_contact simulates the motion, and the collisions of any arbitrary numbers of moving balls.
 
@@ -10,7 +10,7 @@ A graphics client allows you to see the balls in motion:
 
 ![Graphics CLient showing two balls](images/TwoBalls.png)
 
-##Examples
+## Examples
 The configuration for the above display is:
 
 ```
@@ -22,4 +22,4 @@ dyn.contact.balls[1] = trick.make_Ball(3.0, 0.0, -0.5, 0.0, 0.5, 1.0)
 
 The initial state of the first ball is pos=<0.0, 0.0>, vel=<0.5,0.0>, radius=0.5, and mass=1.0.
 
-The initial state of the second ball is pos=<3.0, 0.0>, vel=<-0.5,0.0>, radius=0.5, and mass=1.0.
\ No newline at end of file
+The initial state of the second ball is pos=<3.0, 0.0>, vel=<-0.5,0.0>, radius=0.5, and mass=1.0.