Correct formula in documentation of Solver::Options::function_tolerance.
Change-Id: I5cfb9d58bd2ea12e9be46fb9d9e5a37466b0a7cb
diff --git a/docs/source/solving.rst b/docs/source/solving.rst
index 80d0d34..89c837e 100644
--- a/docs/source/solving.rst
+++ b/docs/source/solving.rst
@@ -1120,7 +1120,7 @@
Solver terminates if
- .. math:: \frac{|\Delta \text{cost}|}{\text{cost} < \text{function_tolerance}}
+ .. math:: \frac{|\Delta \text{cost}|}{\text{cost}} < \text{function_tolerance}
where, :math:`\Delta \text{cost}` is the change in objective
function value (up or down) in the current iteration of
