diff --git a/puppet/no_role.rb b/puppet/no_role.rb
index d21f05c..333d1a1 100755
--- a/puppet/no_role.rb
+++ b/puppet/no_role.rb
@@ -51,7 +51,7 @@
 #puts @all_nodes.inspect
 #puts @role_nodes.inspect
 
-# finally, subtrack the role nodes from all nodes and what we have
+# finally, subtract the role nodes from all nodes and what we have
 # left are the nodes which don't have a role assigned.
 
 puts (@all_nodes - @role_nodes).inspect