diff --git a/factory/gunFactory.go b/factory/gunFactory.go
index e943183..f4fcab2 100644
--- a/factory/gunFactory.go
+++ b/factory/gunFactory.go
@@ -9,5 +9,5 @@ func getGun(gunType string) (IGun, error) {
 	if gunType == "musket" {
 		return newMusket(), nil
 	}
-	return nil, fmt.Errorf("Wrong gun type passed")
+	return nil, fmt.Errorf("wrong gun type passed")
 }
diff --git a/go.work b/go.work
new file mode 100644
index 0000000..7ce5537
--- /dev/null
+++ b/go.work
@@ -0,0 +1,26 @@
+go 1.19
+
+use (
+	./abstractFactory
+	./adapter
+	./bridge
+	./builder
+	./chainOfResponsibility
+	./command
+	./composite
+	./decorator
+	./facade
+	./factory
+	./flyweight
+	./iterator
+	./mediator
+	./memento
+	./observer
+	./prototype
+	./proxy
+	./singleton
+	./state
+	./strategy
+	./template
+	./visitor
+)