Update Readme.md

Readme.md

@@ -153,7 +153,7 @@ Essentially, we have the following observation/action spaces:
 (Observation Stacks) * (1 + 2 * Rays Per Direction) * (Num Detectable Tags + 2)
 ```
 
->[Note] As for dev release it is 136-dimensional vector
+>[Note] As for dev release it is 99-dimensional vector
 
 * `Action space`: multi-discrete ([`gym.Spaces.MultiDiscrete`](https://gymnasium.farama.org/api/spaces/fundamental/#gymnasium.spaces.MultiDiscrete)), one is useful to represent game controllers or keyboards where each key can be represented as a discrete action space.
     - moving arrow keys: `0` – noop, `1` – W, `2` – A, `3` – S, `4` – D.