diff --git a/units/en/unit5/snowball-target.mdx b/units/en/unit5/snowball-target.mdx
index 8d3bc7a..af6390a 100644
--- a/units/en/unit5/snowball-target.mdx
+++ b/units/en/unit5/snowball-target.mdx
@@ -44,12 +44,12 @@ Think of raycasts as lasers that will detect if it passes through an object.
 In this environment our agent have multiple set of raycasts:
 <img src="https://huggingface.co/datasets/huggingface-deep-rl-course/course-images/resolve/main/en/unit7/snowball_target_raycasts.png" alt="Raycasts"/>
 
-TODO: ADd explanation vector
+In addition to raycasts, the agent gets a "can I shoot" bool as observation.
 
-<img src="https://huggingface.co/datasets/huggingface-deep-rl-course/course-images/resolve/main/en/unit5/snowballtarget-obs-code.png" alt="Obs"/>
+<img src="https://huggingface.co/datasets/huggingface-deep-rl-course/course-images/resolve/main/en/unit7/snowballtarget-obs-code.png" alt="Obs"/>
 
 ## The action space
 
-The action space is discrete with TODO ADD
+The action space is discrete:
 
-<img src="https://huggingface.co/datasets/huggingface-deep-rl-course/course-images/resolve/main/en/unit5/snowballtarget_action_space.png" alt="Action Space"/>
+<img src="https://huggingface.co/datasets/huggingface-deep-rl-course/course-images/resolve/main/en/unit7/snowballtarget_action_space.png" alt="Action Space"/>