Typo: funstions=>functions

Change-Id: I59caf62b049d09450ce3236648cf1ede2f48e7f5
diff --git a/lib/neutron b/lib/neutron
index 43f43f9..5dc5703 100644
--- a/lib/neutron
+++ b/lib/neutron
@@ -1,5 +1,5 @@
 # lib/neutron
-# functions - funstions specific to neutron
+# functions - functions specific to neutron
 
 # Dependencies:
 # ``functions`` file