CORD-1750 Upgrade OFDPA to OFDPA 3.0 EA4

Change-Id: Ieb79e766f037d7981fefcde6936b303021488b83
diff --git a/roles/head-node/files/commands/cord-switch b/roles/head-node/files/commands/cord-switch
index 2f92137..859e527 100755
--- a/roles/head-node/files/commands/cord-switch
+++ b/roles/head-node/files/commands/cord-switch
@@ -1,5 +1,5 @@
 #!/bin/bash
-#D provides access to the CORD POD swtich identification service
+#D provides access to the CORD POD switch identification service
 
 PROG=$(echo $(basename $0) | sed -e 's/^cord-/cord /g')