fix docs

Author: ValentinKaisermayer

docs/src/systems/OptimizationSystem.md

@@ -8,9 +8,10 @@ OptimizationSystem
 
 ## Composition and Accessor Functions
 
-- `get_eqs(sys)` or `equations(sys)`: The equation to be minimized.
+- `get_op(sys)` or `objective(sys)`: The objective to be minimized.
 - `get_states(sys)` or `states(sys)`: The set of states for the optimization.
 - `get_ps(sys)` or `parameters(sys)`: The parameters for the optimization.
+- `get_constraints(sys)` or `constraints(sys)`: The constraints for the optimization.
 
 ## Transformations
 

src/systems/optimization/optimizationsystem.jl

@@ -13,7 +13,8 @@ $(FIELDS)
 @parameters a b c
 
 obj = a * (y - x) + x * (b - z) - y + x * y - c * z
-@named os = OptimizationSystem(obj, [x, y, z], [a, b, c])
+cons = [x^2 + y^2 ≲ 1]
+@named os = OptimizationSystem(obj, [x, y, z], [a, b, c]; constraints = cons)
 ```
 """
 struct OptimizationSystem <: AbstractOptimizationSystem