diff --git a/xos/configurations/devel/README.md b/xos/configurations/devel/README.md
index 2361396..84bf6fc 100644
--- a/xos/configurations/devel/README.md
+++ b/xos/configurations/devel/README.md
@@ -65,6 +65,8 @@
 
 Delete the containers and relaunch them: `make rm; make [cloudlab|devstack]`
 
+Build the containers from scratch using the local XOS source tree: `make containers`
+
 View logs: `make showlogs`
 
 See what containers are running: `make ps`
diff --git a/xos/configurations/frontend/README.md b/xos/configurations/frontend/README.md
index 1cf244d..a0ee72e 100644
--- a/xos/configurations/frontend/README.md
+++ b/xos/configurations/frontend/README.md
@@ -25,6 +25,8 @@
 
 Delete the containers and relaunch them: `make rm; make`
 
+Build the containers from scratch using the local XOS source tree: `make containers`
+
 View logs: `make showlogs`
 
 See what containers are running: `make ps`
diff --git a/xos/configurations/vtn/README.md b/xos/configurations/vtn/README.md
index 0fac0a5..f4c8248 100644
--- a/xos/configurations/vtn/README.md
+++ b/xos/configurations/vtn/README.md
@@ -30,7 +30,7 @@
 steps outlined in [the VTN README](../cord/README-VTN.md).  Run:
 ```
 ctl:~/xos/xos/configurations/vtn$ make destroy-networks
-ctl:~/xos/xos/configurations/vtn$ sudo ansible-playbook setup.yml 
+ctl:~/xos/xos/configurations/vtn$ sudo ansible-playbook setup.yml
 ```
 
 
@@ -69,6 +69,8 @@
 
 Delete the containers and relaunch them: `make rm; make [cloudlab|devstack]`
 
+Build the containers from scratch using the local XOS source tree: `make containers`
+
 View logs: `make showlogs`
 
 See what containers are running: `make ps`