Fixing a typo - internationalized

Assuming confusingness a few lines down is intentional ...

Change-Id: I3bd18aa32e1166bb1012ac65e83461b75be4f006
diff --git a/stack.sh b/stack.sh
index a125d4a..ee857c5 100755
--- a/stack.sh
+++ b/stack.sh
@@ -32,7 +32,7 @@
 # Devstack is written in bash, and many functions used throughout
 # devstack process text coming off a command (like the ip command)
 # and do transforms using grep, sed, cut, awk on the strings that are
-# returned. Many of these programs are interationalized, which is
+# returned. Many of these programs are internationalized, which is
 # great for end users, but means that the strings that devstack
 # functions depend upon might not be there in other locales. We thus
 # need to pin the world to an english basis during the runs.