diff --git a/Physlib/Relativity/Tensors/RealTensor/CoVector/Representation.lean b/Physlib/Relativity/Tensors/RealTensor/CoVector/Representation.lean
index a79c5cbc6..952e264e6 100644
--- a/Physlib/Relativity/Tensors/RealTensor/CoVector/Representation.lean
+++ b/Physlib/Relativity/Tensors/RealTensor/CoVector/Representation.lean
@@ -30,7 +30,7 @@ namespace Lorentz
 namespace CoVector
 attribute [-simp] Fintype.sum_sum_type
 
-/-- The representation of the Lorentz group on Lorentz vectors. -/
+/-- The representation of the Lorentz group on Lorentz covectors. -/
 def rep {d : ℕ} : Representation ℝ (LorentzGroup d) (CoVector d) where
   toFun Λ := Matrix.toLinAlgEquiv basis (LorentzGroup.transpose Λ⁻¹)
   map_one' := by