Fix some obsolete documentation in CostFunction::Evaluate
Change-Id: I1d7ee5c596fbf6a4d886dce5b989c8eb18af2dce
diff --git a/include/ceres/cost_function.h b/include/ceres/cost_function.h
index 45292ec..fe8fc07 100644
--- a/include/ceres/cost_function.h
+++ b/include/ceres/cost_function.h
@@ -106,8 +106,7 @@
// the constraints, then returning false whenever the constraints
// are not satisfied will prevent the solver from moving into the
// infeasible region. This is not a very sophisticated mechanism for
- // enforcing constraints, but is often good enough for things like
- // non-negativity constraints.
+ // enforcing constraints, but is often good enough.
//
// Note that it is important that the initial values of the
// parameter block must be feasible, otherwise the solver will
