diff --git a/torchrl/envs/transforms/transforms.py b/torchrl/envs/transforms/transforms.py
index bec76c603e6..9b5f8edf35c 100644
--- a/torchrl/envs/transforms/transforms.py
+++ b/torchrl/envs/transforms/transforms.py
@@ -7762,7 +7762,7 @@ def _reset(
 
 
 class BatchSizeTransform(Transform):
-    """A transform to modify the batch-size of an environmt.
+    """A transform to modify the batch-size of an environment.
 
     This transform has two distinct usages: it can be used to set the
     batch-size for non-batch-locked (e.g. stateless) environments to