diff --git a/system/tiger/slack-desc b/system/tiger/slack-desc
index 64c16c7f7a..e1c51f7e84 100644
--- a/system/tiger/slack-desc
+++ b/system/tiger/slack-desc
@@ -1,4 +1,12 @@
-tiger: Report system security vulnerabilities
+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.  Line
+# up the first '|' above the ':' following the base package name, and the '|'
+# on the right side marks the last column you can put a character in.  You must
+# make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':'.
+
+      |-----handy-ruler------------------------------------------------------|
+tiger: tiger (Report system security vulnerabilities)
 tiger:
 tiger: TIGER, or the 'tiger' scripts, is a set of Bourne shell scripts,
 tiger: C programs and data files which are used to perform a security
@@ -8,3 +16,4 @@ tiger:
 tiger: Originally developed by the A&M campus of the Texas University.
 tiger: Currently it is maintained by: Javier Fernandez-Sanguino
 tiger:
+tiger: