From eaacdcc3fa095bf1542cc6198f10027f0c9a5c67 Mon Sep 17 00:00:00 2001
From: Alinson S Xavier <axavier@anl.gov>
Date: Mon, 16 Nov 2020 07:33:22 -0600
Subject: [PATCH] Small corrections to usage.md

---
 src/docs/usage.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/docs/usage.md b/src/docs/usage.md
index 466bc46..9742c21 100644
--- a/src/docs/usage.md
+++ b/src/docs/usage.md
@@ -26,13 +26,15 @@ The first step to use UC.jl is to construct a JSON file describing your unit com
 
 ```julia
 using Cbc
+using JSON
 using UnitCommitment
 
 # Read instance
 instance = UnitCommitment.read("/path/to/input.json")
 
 # Construct optimization model
-model = UnitCommitment.build_model(instance, Cbc.Optimizer)
+model = UnitCommitment.build_model(instance=instance,
+                                   optimizer=Cbc.Optimizer)
 
 # Solve model
 UnitCommitment.optimize!(model)