diff --git a/examples/host_containers/Makefile b/examples/host_containers/Makefile
index 64118a9..451640f 100644
--- a/examples/host_containers/Makefile
+++ b/examples/host_containers/Makefile
@@ -7,6 +7,7 @@ terminals: h1 h2 h3 h4
 build: clean
 	./build.sh
 
+# Sleep for 2 seconds to allow the switches to start
 controller:
 	sleep 2 && ../../controller/controller.py --config config/switches.json
 
diff --git a/examples/process_migration/Makefile b/examples/process_migration/Makefile
index 581f69f..52b2716 100644
--- a/examples/process_migration/Makefile
+++ b/examples/process_migration/Makefile
@@ -8,6 +8,7 @@ terminals: h1 h2 h3 h4
 build: clean
 	./build.sh
 
+# Sleep for 2 seconds to allow the switches to start
 controller:
 	sleep 2 && ../../controller/controller.py --config config/switches.json
 
diff --git a/examples/switch_container/Makefile b/examples/switch_container/Makefile
index 64118a9..451640f 100644
--- a/examples/switch_container/Makefile
+++ b/examples/switch_container/Makefile
@@ -7,6 +7,7 @@ terminals: h1 h2 h3 h4
 build: clean
 	./build.sh
 
+# Sleep for 2 seconds to allow the switches to start
 controller:
 	sleep 2 && ../../controller/controller.py --config config/switches.json