diff --git a/docs/source/reference/envs.rst b/docs/source/reference/envs.rst
index 9ef9d88dbe6..12a3e1fcd34 100644
--- a/docs/source/reference/envs.rst
+++ b/docs/source/reference/envs.rst
@@ -826,6 +826,7 @@ to be able to create this other composition:
     GrayScale
     InitTracker
     KLRewardTransform
+    LineariseReward
     NoopResetEnv
     ObservationNorm
     ObservationTransform