fix bad link in navigate.md

Change-Id: Id0309d87fbdfb015f30600f440b321b4ba2d498e
diff --git a/navigate.md b/navigate.md
index d5ce031..2bea4a8 100644
--- a/navigate.md
+++ b/navigate.md
@@ -27,7 +27,7 @@
   machine for one of the access technologies included in the
   profile. A workflow augments/parameterizes a profile for the target
   deployment environment; it's not a software layer, per se.  SEBA's
-  [AT&T Workflow](profiles/seba/workflows/att.md) is an example.
+  [AT&T Workflow](profiles/seba/workflows/att-install.md) is an example.
 
 The diagram also shows a hardware bill-of-materials, which must be
 defined for a given POD.