Add 6th edition link

mhartl · mhartl · commit ba52e4937d82 · 2022-04-20T10:53:07.000-07:00
diff --git a/Guardfile b/Guardfile
@@ -1,3 +1,7 @@
+# This is the Guardfile for the 7th edition of the Rails Tutorial.
+# For the 6th edition, see here:
+# https://github.com/learnenough/sample_app_6th_ed/blob/main/Guardfile
+
 require "active_support/inflector"
 # Defines the matching rules for Guard.
 guard :minitest, all_on_start: false do
