diff --git a/legged_gym/envs/h1_2/README.md b/legged_gym/envs/h1_2/README.md
index 32c8aa6..768f3e0 100644
--- a/legged_gym/envs/h1_2/README.md
+++ b/legged_gym/envs/h1_2/README.md
@@ -10,7 +10,7 @@ We fix all the joints in the hands, wrist and the elbow roll joints, since those
 
 ### Collision
 
-We only keep the collision of foot roll links. Early termination is majorly check by angular position of the base.
+We only keep the collision of foot roll links, knee links and base. Early termination is majorly check by angular position of the base.
 
 ## Dynamics