diff --git a/README.md b/README.md
index 1ec2fc51018e2ee783e327d87743b9d988c1894d..fd7e0d3f9b6ecd7680fe9b271f9b636c1c69c914 100644
--- a/README.md
+++ b/README.md
@@ -305,8 +305,9 @@ class InAirGoalExecutorFactory(ExecutorFactory):
             print(exc)
         return res
 ```
+```
 
-How expanding works:
+How expansion works:
 
     - There is a tst_expansion node that have a service TSTExpandTree ("tst_expand_tree"). The tree is in JSON format.
     - All running executor factories have a service call that can do expansion if needed.