diff --git a/doc/tutorial/basics/templates.md b/doc/tutorial/basics/templates.md
index d0d25ec..3748cdb 100644
--- a/doc/tutorial/basics/templates.md
+++ b/doc/tutorial/basics/templates.md
@@ -4,6 +4,8 @@
 
 # Templates
 
+<!-- jba: this is not in the spec, aside from the TemplateLabel grammar rule. -->
+
 One of CUE's most powerful features is templates.
 A template defines a value to be unified which each field of a struct.
 
@@ -41,4 +43,4 @@
         command:  "nginx"
     }
 }
-```
\ No newline at end of file
+```