week11 tweaks

Signed-off-by: Jim Pryor <profjim@jimpryor.net>

diff --git a/week11.mdwn b/week11.mdwn
index 97416e2..cc7af5e 100644 (file)
--- a/week11.mdwn
+++ b/week11.mdwn
@@ -183,7 +183,7 @@ For simplicity, I'll continue to use the abbreviated form:
 
        {parent = ...; siblings = [subtree 20; *; subtree 80]}, * filled by subtree 50
 
-But that should be understood as standing for the more fully-spelled-out structure. Structures of this sort are called **tree zippers**, for a reason that will emerge. They should already seem intuitively similar to list zippers, though, at least in what we're using them to represent. I think it may initially be more helpful to call these **targetted trees**, though, and so will be switching back and forth between this different terms.
+But that should be understood as standing for the more fully-spelled-out structure. Structures of this sort are called **tree zippers**. They should already seem intuitively similar to list zippers, at least in what we're using them to represent. I think it may also be helpful to call them **targetted trees**, though, and so will be switching back and forth between these different terms.
 
 Moving left in our targetted tree that's targetted on `node 50` would be a matter of shifting the `*` leftwards: