--- a/docs/tutorial/draft.md	Sat Apr 27 21:09:47 2019 -0400
+++ b/docs/tutorial/draft.md	Sat Apr 27 21:24:18 2019 -0400
@@ -527,7 +527,7 @@
     }
 ~~~
 
-## Unstable
+## Orphan
 
 ~~~graphviz
     digraph G {
@@ -538,14 +538,14 @@
         node[group=main];
         Root -> New;
         node[group=obsolete];
-        Root -> Obsolete -> Unstable;
+        Root -> Obsolete -> Orphan;
 
         // Obsolescence links
         edge[dir=back, style=dotted, arrowtail=dot];
         Obsolete -> New;
 
         Obsolete [fillcolor="#DFDFFF"];
-        Unstable [fillcolor="#FF3535"];
+        Orphan [fillcolor="#FF3535"];
         Root[shape="circle"];
     }
 ~~~