diff --git a/src/julax/layers.py b/src/julax/layers.py
index c1c6d58..0cdb0fb 100644
--- a/src/julax/layers.py
+++ b/src/julax/layers.py
@@ -38,6 +38,12 @@ def forward(self, x: PyTree, p: Param, s: State) -> tuple[PyTree, State]:
 
 
 class Repeated(LayerBase):
+    """Applies the same layer n times sequentially.
+
+    Each repetition has independent, separately initialized parameters.
+    This is typical for transformer blocks where each layer has its own weights.
+    """
+
     n: int
     layer: LayerLike