Fix wording.
diff --git a/stack.sh b/stack.sh
index 69d48de..83fec6a 100755
--- a/stack.sh
+++ b/stack.sh
@@ -285,7 +285,7 @@
 SWIFT_PARTITION_POWER_SIZE=${SWIFT_PARTITION_POWER_SIZE:-9}
 
 # Swift hash, this must be unique
-read_password SWIFT_HASH "ENTER A RANDOM HASH SHARED BETWEEN ALL PROCESSES."
+read_password SWIFT_HASH "ENTER A RANDOM SWIFT HASH."
 
 # Keystone
 # --------