diff --git a/docs/source/spinham-zoo/sunny.rst b/docs/source/spinham-zoo/sunny.rst
index e5adb1a..5e120be 100644
--- a/docs/source/spinham-zoo/sunny.rst
+++ b/docs/source/spinham-zoo/sunny.rst
@@ -21,7 +21,7 @@ Spin Hamiltonian
 
     \mathcal{H}
     =
-    \sum_{ij}
+    \sum_{i < j}
     \mathbf{S}_i^T
     \cdot
     \mathbf{J}_{ij}
@@ -35,6 +35,6 @@ Convention
 ================= ======
 ================= ======
 Spin normalized   no
-Multiple counting yes
+Multiple counting no
 ================= ======