diff --git a/opty/direct_collocation.py b/opty/direct_collocation.py
index c598695..4c084b2 100644
--- a/opty/direct_collocation.py
+++ b/opty/direct_collocation.py
@@ -340,7 +340,7 @@ def jacobian(self, free):
 
         Returns
         =======
-        jac_vals : ndarray, shape((2*n + q + r + s)*(n*(N - 1) + o), )
+        jac_vals : ndarray, shape((2*n + q + r + s)*(n*(N - 1)) + o, )
             Non-zero Jacobian values in triplet format.
 
         """