update documentation (#2750)

PennyLaneAI · Jun 20, 2022 · 3088362 · 3088362
1 parent 3cafe56
commit 3088362
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pennylane/ops/qubit/observables.py b/pennylane/ops/qubit/observables.py
@@ -173,7 +173,7 @@ def diagonalizing_gates(self):
 
 class SparseHamiltonian(Observable):
     r"""
-    A Hamiltonian represented directly as a sparse matrix in coordinate list (COO) format.
+    A Hamiltonian represented directly as a sparse matrix in Compressed Sparse Row (CSR) format.
 
     .. warning::